{"items":[{"id":"NVI-00003426","kind":"vulnerability","title":"Craft CMS Vulnerable to SSRF in GraphQL Asset Mutation via Alternative IP Notation","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-m5r2-8p9x-hp5m","CVE-2026-25494"],"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 5.8.22 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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 4.16.18 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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-08ce723344cf09218c244c98fd1d6054"],"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":"2026-06-17T10:24:44.127Z","value":"6.5 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-16a346d0d5b590e406342cedcfd06d88"},{"kind":"CVSS","as_of":"2026-06-17T10:24:44.127Z","value":"6.9 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-16a346d0d5b590e406342cedcfd06d88"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.398%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.34208. Missing scores are unknown.","source_id":"sr-08ce723344cf09218c244c98fd1d6054"}],"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-3e0299776f39637043c149ab6c0dc99d","url":"https://github.com/advisories/GHSA-m5r2-8p9x-hp5m","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-m5r2-8p9x-hp5m","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.974Z"},{"id":"sr-16a346d0d5b590e406342cedcfd06d88","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25494","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-25494","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:47.597Z"},{"id":"sr-08ce723344cf09218c244c98fd1d6054","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-2026-25494","publisher":"FIRST EPSS","observed_at":"2026-11-06T00:24:57.650Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.22"]},{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.16.18"]}],"null_published_at":"2026-11-08T15:11:49.412Z","source_updated_at":"2026-02-22T23:24:46.260Z","source_disclosed_at":"2026-02-09T20:35:35.000Z","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":"2026-10-31T21:42:30.974Z"},{"id":"NVI-00003426","kind":"vulnerability","title":"Craft CMS Vulnerable to SSRF in GraphQL Asset Mutation via Alternative IP Notation","revision":3,"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-m5r2-8p9x-hp5m","CVE-2026-25494"],"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 5.8.22 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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 4.16.18 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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-0973890e18fed713ce4460e6736a6e00"],"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":"2026-06-17T10:24:44.127Z","value":"6.5 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-16a346d0d5b590e406342cedcfd06d88"},{"kind":"CVSS","as_of":"2026-06-17T10:24:44.127Z","value":"6.9 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-16a346d0d5b590e406342cedcfd06d88"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.404%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.34656. Missing scores are unknown.","source_id":"sr-0973890e18fed713ce4460e6736a6e00"}],"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-3e0299776f39637043c149ab6c0dc99d","url":"https://github.com/advisories/GHSA-m5r2-8p9x-hp5m","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-m5r2-8p9x-hp5m","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.974Z"},{"id":"sr-16a346d0d5b590e406342cedcfd06d88","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25494","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-25494","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:47.597Z"},{"id":"sr-0973890e18fed713ce4460e6736a6e00","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-2026-25494","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.22"]},{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.16.18"]}],"null_published_at":"2026-11-01T14:34:07.533Z","source_updated_at":"2026-02-22T23:24:46.260Z","source_disclosed_at":"2026-02-09T20:35:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.974Z"},{"id":"NVI-00003426","kind":"vulnerability","title":"Craft CMS Vulnerable to SSRF in GraphQL Asset Mutation via Alternative IP Notation","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m5r2-8p9x-hp5m","CVE-2026-25494"],"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 5.8.22 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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 4.16.18 for craftcms/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"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-0973890e18fed713ce4460e6736a6e00"],"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":"0.404%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.34656. Missing scores are unknown.","source_id":"sr-0973890e18fed713ce4460e6736a6e00"}],"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-3e0299776f39637043c149ab6c0dc99d","url":"https://github.com/advisories/GHSA-m5r2-8p9x-hp5m","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-m5r2-8p9x-hp5m","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.974Z"},{"id":"sr-0973890e18fed713ce4460e6736a6e00","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-2026-25494","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-RC1; fixed 5.8.22"]},{"certainty":"source_listed","source_ids":["sr-3e0299776f39637043c149ab6c0dc99d"],"technology":"craftcms/cms","known_exclusions":[],"conditions_summary":"I observed a recent commit intended to mitigate Server-Side Request Forgery (SSRF) vulnerabilities. While the implemented defense mechanisms are an improvement, I have identified two methods to bypass these protections. This report details the first bypass method involving alternative IP notation, while the second method will be submitted in a separate advisory.\n\n---\n## Summary\n\nThe `saveAsset` GraphQL mutation uses `filter_var(..., FILTER_VALIDATE_IP)` to block a specific list of IP addresses. However, alternative IP notations (hexadecimal, mixed) are not recognized by this function, allowing attackers to bypass the blocklist and access cloud metadata services.\n\n---\n## Proof of Concept\n1. Send the following GraphQL mutation:\n```graphql\nmutation {\n    save_images_Asset(_file: { \n        url: \"http://169.254.0xa9fe/latest/meta-data/\"\n        filename: \"metadata.txt\"\n    }) {\n        id\n    }\n}\n```\n2. The IP validation passes (hex notation not recognized as IP)\n3. Guzzle resolves `169.254.0xa9fe` to `169.254.169.254`\n4. Cloud metadata is fetched and saved\n\n### Alternative Payloads\n| Payload | Notation ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-RC1; fixed 4.16.18"]}],"null_published_at":"2026-10-31T22:13:44.226Z","source_updated_at":"2026-02-22T23:24:46.260Z","source_disclosed_at":"2026-02-09T20:35:35.000Z","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":"2026-10-31T21:42:30.974Z"}],"next_cursor":null,"snapshot_revision":"42594"}