@hono/oauth-providers: OAuth state check fails open on omitted state, enabling login CSRF and forced account linking

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-81888 · CVE overview and exploitation status

EUVD-2026-68770

GHSA-fm3f-ch8h-qw8q

cve-program · CVE-2026-81888

• https://github.com/honojs/middleware/security/advisories/GHSA-fm3f-ch8h-qw8q
• https://github.com/honojs/middleware/pull/2040
• https://github.com/honojs/middleware/commit/b37765f40b7bddb1d8fce39573b085222dea58c1
• https://github.com/honojs/middleware/releases/tag/%40hono%2Foauth-providers%400.8.6

euvd · EUVD-2026-68770

• https://github.com/honojs/middleware/security/advisories/GHSA-fm3f-ch8h-qw8q
• https://github.com/honojs/middleware/pull/2040
• https://github.com/honojs/middleware/commit/b37765f40b7bddb1d8fce39573b085222dea58c1
• https://github.com/honojs/middleware/releases/tag/%40hono%2Foauth-providers%400.8.6

nvd · CVE-2026-81888

• https://github.com/honojs/middleware/commit/b37765f40b7bddb1d8fce39573b085222dea58c1
• https://github.com/honojs/middleware/pull/2040
• https://github.com/honojs/middleware/releases/tag/%40hono%2Foauth-providers%400.8.6
• https://github.com/honojs/middleware/security/advisories/GHSA-fm3f-ch8h-qw8q

osv · GHSA-fm3f-ch8h-qw8q

• https://github.com/honojs/middleware/security/advisories/GHSA-fm3f-ch8h-qw8q
• https://github.com/honojs/middleware/pull/2040
• https://github.com/honojs/middleware/commit/b37765f40b7bddb1d8fce39573b085222dea58c1
• https://github.com/honojs/middleware
• https://github.com/honojs/middleware/releases/tag/%40hono%2Foauth-providers%400.8.6

No related changes are available here.