CVE-2025-61152 Affecting python-jose package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Oct 2025
- disclosed10 Oct 2025
Introduced: 10 Oct 2025
NewCVE-2025-61152 (opens in a new tab)How to fix?
There is no fixed version for Debian:12 python-jose.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-jose package and not the python-jose package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
python-jose thru 3.3.0 allows JWT tokens with 'alg=none' to be decoded and accepted without any cryptographic signature verification. A malicious actor can craft a forged token with arbitrary claims (e.g., is_admin=true) and bypass authentication checks, leading to privilege escalation or unauthorized access in applications that rely on python-jose for token validation. This issue is exploitable unless developers explicitly reject 'alg=none' tokens, which is not enforced by the library.