CVE-2026-24408

{"id": "CVE-2026-24408", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 0.0, "attackVector": "NETWORK", "baseSeverity": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 0.0, "exploitabilityScore": 1.6}]}, "published": "2026-01-26T23:16:08.973", "references": [{"url": "https://github.com/sigstore/sigstore-python/commit/5e77497fe8f0b202bdd118949074ec2f20da69aa", "source": "security-advisories@github.com"}, {"url": "https://github.com/sigstore/sigstore-python/releases/tag/v4.2.0", "source": "security-advisories@github.com"}, {"url": "https://github.com/sigstore/sigstore-python/security/advisories/GHSA-hm8f-75xx-w2vr", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-352"}]}], "descriptions": [{"lang": "en", "value": "sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. `_OAuthSession` creates a unique \"state\" and sends it as a parameter in the authentication request but the \"state\" in the server response seems not not be cross-checked with this value. Version 4.2.0 contains a patch for the issue."}], "lastModified": "2026-01-27T14:59:34.073", "sourceIdentifier": "security-advisories@github.com"}