Tinyauth: Unauthenticated login attempts can trigger global login lockdown denial of service

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-77561 · Microsoft / collected KEV context

EUVD-2026-84015

GHSA-9xhm-w3wj-xhqh

GO-2026-6564

cve-program · CVE-2026-77561

• https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-9xhm-w3wj-xhqh
• https://github.com/tinyauthapp/tinyauth/pull/1008
• https://github.com/tinyauthapp/tinyauth/pull/943
• https://github.com/tinyauthapp/tinyauth/commit/654b5cc436fc67865c1f55edf9ba9fbded50b74f
• https://github.com/tinyauthapp/tinyauth/commit/dade1e2c8f27a23df56ac216dcaf4b37081698e7
• https://github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0

euvd · EUVD-2026-84015

• https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-9xhm-w3wj-xhqh
• https://github.com/tinyauthapp/tinyauth/pull/1008
• https://github.com/tinyauthapp/tinyauth/pull/943
• https://github.com/tinyauthapp/tinyauth/commit/654b5cc436fc67865c1f55edf9ba9fbded50b74f
• https://github.com/tinyauthapp/tinyauth/commit/dade1e2c8f27a23df56ac216dcaf4b37081698e7
• https://github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0

nvd · CVE-2026-77561

• https://github.com/tinyauthapp/tinyauth/commit/654b5cc436fc67865c1f55edf9ba9fbded50b74f
• https://github.com/tinyauthapp/tinyauth/commit/dade1e2c8f27a23df56ac216dcaf4b37081698e7
• https://github.com/tinyauthapp/tinyauth/pull/1008
• https://github.com/tinyauthapp/tinyauth/pull/943
• https://github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0
• https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-9xhm-w3wj-xhqh

osv · GHSA-9xhm-w3wj-xhqh

• https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-9xhm-w3wj-xhqh
• https://nvd.nist.gov/vuln/detail/CVE-2026-77561
• https://github.com/tinyauthapp/tinyauth/pull/1008
• https://github.com/tinyauthapp/tinyauth/pull/943
• https://github.com/tinyauthapp/tinyauth/commit/654b5cc436fc67865c1f55edf9ba9fbded50b74f
• https://github.com/tinyauthapp/tinyauth/commit/dade1e2c8f27a23df56ac216dcaf4b37081698e7
• https://github.com/tinyauthapp/tinyauth
• https://github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0

osv · GO-2026-6564

• https://github.com/tinyauthapp/tinyauth/security/advisories/GHSA-9xhm-w3wj-xhqh
• https://nvd.nist.gov/vuln/detail/CVE-2026-77561
• https://github.com/tinyauthapp/tinyauth/commit/654b5cc436fc67865c1f55edf9ba9fbded50b74f
• https://github.com/tinyauthapp/tinyauth/commit/dade1e2c8f27a23df56ac216dcaf4b37081698e7
• https://github.com/tinyauthapp/tinyauth/pull/1008
• https://github.com/tinyauthapp/tinyauth/pull/943
• https://github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0

No related operational record is retained in the current change model.