{"items":[{"id":"NVI-00011750","kind":"vulnerability","title":"Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv6 zone identifiers","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vmxc-h2x2-jmf3","CVE-2026-107289"],"plain_summary":"GitHub lists this reviewed advisory for pydantic-ai, pydantic-ai, pydantic-ai-slim, pydantic-ai-slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0539930e39d70b67aabb4d33ba5ebfb3"],"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":"2026-10-08T16:48:07.000Z","value":"6.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-184b25f55a0e7027143b1e9fec9c2075"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.390%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.33301. Missing scores are unknown.","source_id":"sr-0539930e39d70b67aabb4d33ba5ebfb3"}],"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-184b25f55a0e7027143b1e9fec9c2075","url":"https://github.com/advisories/GHSA-vmxc-h2x2-jmf3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmxc-h2x2-jmf3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-0539930e39d70b67aabb4d33ba5ebfb3","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-2026-107289","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.310Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]}],"null_published_at":"2026-11-06T07:24:11.256Z","source_updated_at":"2026-10-08T16:48:07.000Z","source_disclosed_at":"2026-10-08T16:48:06.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011750","kind":"vulnerability","title":"Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv6 zone identifiers","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vmxc-h2x2-jmf3","CVE-2026-107289"],"plain_summary":"GitHub lists this reviewed advisory for pydantic-ai, pydantic-ai, pydantic-ai-slim, pydantic-ai-slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-33e4efcae3727d3f6fb97153dfce6c09"],"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":"2026-10-08T16:48:07.000Z","value":"6.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-184b25f55a0e7027143b1e9fec9c2075"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.390%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.33151. Missing scores are unknown.","source_id":"sr-33e4efcae3727d3f6fb97153dfce6c09"}],"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-184b25f55a0e7027143b1e9fec9c2075","url":"https://github.com/advisories/GHSA-vmxc-h2x2-jmf3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmxc-h2x2-jmf3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-33e4efcae3727d3f6fb97153dfce6c09","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-2026-107289","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]}],"null_published_at":"2026-11-01T14:34:14.119Z","source_updated_at":"2026-10-08T16:48:07.000Z","source_disclosed_at":"2026-10-08T16:48:06.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011750","kind":"vulnerability","title":"Pydantic AI: SSRF cloud-metadata blocklist bypass via IPv6 zone identifiers","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vmxc-h2x2-jmf3","CVE-2026-107289"],"plain_summary":"GitHub lists this reviewed advisory for pydantic-ai, pydantic-ai, pydantic-ai-slim, pydantic-ai-slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"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":"2026-10-08T16:48:07.000Z","value":"6.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-184b25f55a0e7027143b1e9fec9c2075"}],"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-184b25f55a0e7027143b1e9fec9c2075","url":"https://github.com/advisories/GHSA-vmxc-h2x2-jmf3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmxc-h2x2-jmf3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 1.56.0, < 1.107.6"]},{"certainty":"source_listed","source_ids":["sr-184b25f55a0e7027143b1e9fec9c2075"],"technology":"pydantic-ai-slim","known_exclusions":[],"conditions_summary":"### Summary\n\nWhen an application using Pydantic AI opts a URL into local network access — either a `FileUrl` with `force_download='allow-local'`, or `web_fetch_tool(allow_local_urls=True)` — the cloud-metadata blocklist could be bypassed by appending an IPv6 zone identifier to a metadata address (for example `fd00:ec2::254%251`). The host ignores the zone identifier on a destination that is not link-local and delivers the request to the metadata endpoint anyway, exposing cloud IAM short-term credentials.\n\nThis is an incomplete fix of GHSA-cqp8-fcvh-x7r3 / CVE-2026-46678 and GHSA-cg7w-rg45-pc59 / CVE-2026-48782, themselves follow-ups to CVE-2026-25580. The parent advisory's remediation guaranteed that cloud metadata endpoints are always blocked, even with local access allowed. That guarantee did not hold for zone-scoped spellings of the IPv6 metadata endpoints.\n\n\n### De","public_affected_ranges":[">= 2.0.0b1, < 2.44.0"]}],"null_published_at":"2026-11-01T01:03:56.599Z","source_updated_at":"2026-10-08T16:48:07.000Z","source_disclosed_at":"2026-10-08T16:48:06.000Z","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":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}