CVE-2023-49091

9.8 criticalEPSS 0.8%

Critical (9.8) in cosmos-cloud cosmos server. EPSS 0.8% chance of exploitation in the next 30 days.

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Cosmos-server is vulnerable due to to the authorization header used for user login remaining valid and not expiring after log out. This vulnerability allows an attacker to use the token to gain unauthorized access to the application/system even after the user has logged out. This issue has been patched in version 0.13.1.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-613
Published: 2023-11-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cosmos-cloud:cosmos_server

References

https://github.com/azukaar/Cosmos-Server/commit/7a3fdfb467bd4d1f8333e3e1f3c3f5fca0b69cd7
https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-hpvm-x7m8-3c6x
https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-hpvm-x7m8-3c6x

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