CVE-2026-63471
waiting for further signalsZero needs more public information before it can validate it.GHSA-p2mm-64f6-gmpp ↗EUVD-2026-116147 ↗
description
fastapi-code-generator versions before 0.8.1 improperly handle quote characters in OpenAPI route paths when generating Python route declarations. An attacker who can influence a processed OpenAPI specification may cause code to run with the privileges of a CI, build, or application process when the generated module is imported.
mitigation
Upgrade fastapi-code-generator to version 0.8.1 or later. Until upgrades are complete, process only trusted OpenAPI specifications and avoid importing generated applications from untrusted inputs.
fixed in 0.8.1
outcome
Contextual, not validated: no deterministic check could cover this one, and no technique passed our review.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-11-03 19:18Zghsa: trigger signal, started the run
- 2026-11-03 19:18Zcve.org record for CVE-2026-63471
this entry in the feed
GET /api/v1/feed/CVE-2026-63471
{ "etk_id": "ETK-2026-3992", "cve_id": "CVE-2026-63471", "display_id": "CVE-2026-63471", "ghsa_id": "GHSA-p2mm-64f6-gmpp", "euvd_id": "EUVD-2026-116147", "status": "published", "anchor_state": "anchored", "title": "Code injection via OpenAPI paths in fastapi-code-generator", "summary": "fastapi-code-generator versions before 0.8.1 improperly handle quote characters in OpenAPI route paths when generating Python route declarations. An attacker who can influence a processed OpenAPI specification may cause code to run with the privileges of a CI, build, or application process when the generated module is imported.", "mitigation": "Upgrade fastapi-code-generator to version 0.8.1 or later. Until upgrades are complete, process only trusted OpenAPI specifications and avoid importing generated applications from untrusted inputs.", "vendor": "pip", "product": "fastapi-code-generator", "affected": [ { "affected_notes": [], "affected_ranges": [ "< 0.8.1" ], "ecosystem": "pip", "fixed_versions": [ "0.8.1" ], "package_name": "fastapi-code-generator", "purl": "pkg:pypi/fastapi-code-generator" } ], "cwes": null, "cvss_score": 9.3, "cvss_src": "cna_vendor", "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "epss_score": 0.0031, "epss_percentile": 0.2431, "epss_asof": "2026-11-09", "automation": "contextual", "check": false, "check_confidence_basis": null, "exploit": false, "pipeline_minutes": 11.466333666666667, "t0_at": "2026-11-03T19:18:44.111000+00:00", "signals": { "trigger_signal": { "at": "2026-11-03T19:18:44.111000+00:00", "days": 0, "is_lower_bound": false, "measured_at": "2026-11-03T19:18:44.111000+00:00", "url": "https://github.com/advisories/GHSA-p2mm-64f6-gmpp" } } }
published 2026-11-09 21:37Z
last change 2026-11-11 02:25Z
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