CVE-2026-39373
2 advisories.
PyPI/jwcrypto CVE-2026-39373: medium 5.3
JWCrypto: JWE ZIP decompression bomb
Action: Upgrade jwcrypto to 1.5.7 or later.
pip install jwcrypto==1.5.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.5.7 | - |
Fixed versions
| 1.5.7 |
Sources
- osv: GHSA-fjrm-76x2-c4q4
- https://github.com/latchset/jwcrypto/security/advisories/GHSA-fjrm-76x2-c4q4
- https://nvd.nist.gov/vuln/detail/CVE-2026-39373
- https://github.com/latchset/jwcrypto/commit/25db861d8b29434838669a94a843af03d29ea6ed
- https://github.com/latchset/jwcrypto
- https://github.com/latchset/jwcrypto/releases/tag/v1.5.7
- https://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2026-70.yaml
CVE-2026-39373 · published · modified · JSON
PyPI/jwcrypto CVE-2026-39373: medium 5.3
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression
Action: Upgrade jwcrypto to 1.5.7 or later.
pip install jwcrypto==1.5.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.5.7 | - |
Fixed versions
| 1.5.7 |
Sources
CVE-2026-39373 · published · modified · JSON