CRITICAL 9.1 NVD
CVE-2026-52539
Outstatic CMS <= 2.1.9 contains a hardcoded JWT signing secret. When the OST_TOKEN_SECRET environment variable is not set, the application falls back to the def
Outstatic CMS <= 2.1.9 contains a hardcoded JWT signing secret. When the OST_TOKEN_SECRET environment variable is not set, the application falls back to the default value which is publicly visible in the source code repository. An unauthenticated remote attacker can exploit this by forging JWT session tokens with arbitrary user data and full administrative permissions.
References
- https://github.com/avitorio/outstatic
- https://github.com/avitorio/outstatic/blob/canary/packages/outstatic/src/utils/constants.t
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-07-30 via NVD.
Risk Timeline
CVE Disclosed2026-07-30 · 4 days ago
Remediation Resources
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