{"items":[{"id":"NVI-00001919","kind":"vulnerability","title":"Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-v2gc-rm6g-wrw9","CVE-2026-27129"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.8.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.16.19 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-271098b7e351db705fdd15c0b73ce59b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:26:43.143Z","value":"6.5 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-bd40a62d83fe7279bfdda49fc5cf5e0b"},{"kind":"CVSS","as_of":"2026-06-17T10:26:43.143Z","value":"5.7 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-bd40a62d83fe7279bfdda49fc5cf5e0b"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.464%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40218. Missing scores are unknown.","source_id":"sr-271098b7e351db705fdd15c0b73ce59b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0513698d30387d582d5ae8d6624acaf6","url":"https://github.com/advisories/GHSA-v2gc-rm6g-wrw9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v2gc-rm6g-wrw9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"},{"id":"sr-bd40a62d83fe7279bfdda49fc5cf5e0b","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27129","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-27129","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-271098b7e351db705fdd15c0b73ce59b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-27129","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.271Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.23"]},{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 3.5.0; fixed 4.16.19"]}],"null_published_at":"2026-11-07T22:29:23.374Z","source_updated_at":"2026-02-24T20:59:13.352Z","source_disclosed_at":"2026-02-24T15:51:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.368Z"},{"id":"NVI-00001919","kind":"vulnerability","title":"Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v2gc-rm6g-wrw9","CVE-2026-27129"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.8.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.16.19 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-271098b7e351db705fdd15c0b73ce59b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.464%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40218. Missing scores are unknown.","source_id":"sr-271098b7e351db705fdd15c0b73ce59b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0513698d30387d582d5ae8d6624acaf6","url":"https://github.com/advisories/GHSA-v2gc-rm6g-wrw9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v2gc-rm6g-wrw9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"},{"id":"sr-271098b7e351db705fdd15c0b73ce59b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-27129","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.271Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.23"]},{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 3.5.0; fixed 4.16.19"]}],"null_published_at":"2026-11-06T15:18:11.428Z","source_updated_at":"2026-02-24T20:59:13.352Z","source_disclosed_at":"2026-02-24T15:51:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.368Z"},{"id":"NVI-00001919","kind":"vulnerability","title":"Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v2gc-rm6g-wrw9","CVE-2026-27129"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.8.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.16.19 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-35a9bd1d4c1b9c2e5c22815aeea092a2"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.464%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40228. Missing scores are unknown.","source_id":"sr-35a9bd1d4c1b9c2e5c22815aeea092a2"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0513698d30387d582d5ae8d6624acaf6","url":"https://github.com/advisories/GHSA-v2gc-rm6g-wrw9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v2gc-rm6g-wrw9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"},{"id":"sr-35a9bd1d4c1b9c2e5c22815aeea092a2","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-27129","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.23"]},{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 3.5.0; fixed 4.16.19"]}],"null_published_at":"2026-10-31T22:27:15.288Z","source_updated_at":"2026-02-24T20:59:13.352Z","source_disclosed_at":"2026-02-24T15:51:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.368Z"},{"id":"NVI-00001919","kind":"vulnerability","title":"Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v2gc-rm6g-wrw9","CVE-2026-27129"],"plain_summary":"OSV carries this publisher advisory for craftcms/cms, craftcms/cms. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.8.23 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.16.19 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0513698d30387d582d5ae8d6624acaf6","url":"https://github.com/advisories/GHSA-v2gc-rm6g-wrw9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v2gc-rm6g-wrw9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.23"]},{"certainty":"source_listed","source_ids":["sr-0513698d30387d582d5ae8d6624acaf6"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"The SSRF validation in Craft CMS’s GraphQL Asset mutation uses `gethostbyname()`, which only resolves IPv4 addresses. When a hostname has only AAAA (IPv6) records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection.\n\nThis is a bypass of the security fix for CVE-2025-68437 (GHSA-x27p-wfqw-hfcc).\n\n## Required Permissions\n\nExploitation requires GraphQL schema permissions for:\n- Edit assets in the `` volume\n- Create assets in the `` volume\n\nThese permissions may be granted to:\n- Authenticated users with appropriate GraphQL schema access\n- Public Schema (if misconfigured with write permissions)\n\n---\n\n## Technical Details\n\n### Root Cause\n\nFrom PHP documentation: *\"gethostbyname - Get the IPv4 address corresponding to a given Internet host name\"*\n\nWhen no IPv4 (A record) exists, `gethostbyname()` returns the hostname string unchanged.\n\n### Bypass Mechanism\n\n```\n+-----------------------------------------------------------------------------+\n| Step 1: Attacker provides URL                                    ","public_affected_ranges":["ECOSYSTEM: introduced 3.5.0; fixed 4.16.19"]}],"null_published_at":"2026-10-31T21:53:28.058Z","source_updated_at":"2026-02-24T20:59:13.352Z","source_disclosed_at":"2026-02-24T15:51:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:41.368Z"}],"next_cursor":null,"snapshot_revision":"42594"}