Cosmos: Authentication bypass via forward-auth header smuggling on Constellation tunnel in Cosmos-Server

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

CVE-2026-49446 · Microsoft / collected KEV context

EUVD-2026-78588

GHSA-2rx5-2g7j-2659

GO-2026-6123

cve-program · CVE-2026-49446

• https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-2rx5-2g7j-2659
• https://github.com/azukaar/Cosmos-Server/commit/59c561d686c8f9843b3e092b50f6346c481d8bbf
• https://github.com/azukaar/Cosmos-Server/releases/tag/v0.22.19

euvd · EUVD-2026-78588

• https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-2rx5-2g7j-2659
• https://github.com/azukaar/Cosmos-Server/commit/59c561d686c8f9843b3e092b50f6346c481d8bbf
• https://github.com/azukaar/Cosmos-Server/releases/tag/v0.22.19

nvd · CVE-2026-49446

• https://github.com/azukaar/Cosmos-Server/commit/59c561d686c8f9843b3e092b50f6346c481d8bbf
• https://github.com/azukaar/Cosmos-Server/releases/tag/v0.22.19
• https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-2rx5-2g7j-2659

osv · GHSA-2rx5-2g7j-2659

• https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-2rx5-2g7j-2659
• https://github.com/azukaar/Cosmos-Server
• https://github.com/azukaar/Cosmos-Server/releases/tag/v0.22.19

osv · GO-2026-6123

• https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-2rx5-2g7j-2659
• https://github.com/azukaar/Cosmos-Server/releases/tag/v0.22.19

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