What’s Vulnerable › Vulnerabilities

CVE-2026-55982: OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-13 · updated 2026-08-26
• Weakness: CWE-200

Description

OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes

Affected products

• Gitea Open Source Git Server: 1.26.2

References

• https://blog.gitea.com/gitea-1.27.0-is-released/
• https://github.com/go-gitea/gitea/releases/tag/v1.27.0
• https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p
• https://github.com/go-gitea/gitea/security/advisories/GHSA-mg4f-x9v4-6h2p

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