VDB
CVE-2025-68131
CVE-2025-68131
PUBLISHED
CVSS 5.5 MEDIUM
CBORDecoder reuse can leak shareable values across decode calls
EPSS 0.46% · 39.8th percentile
Risk Scores
CVSS 4.0
5.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS Score
0.46%
39.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | cbor2 | 3.0.0 |
| agronholm | cbor2 | >= 3.0.0, < 5.8.0, 3.0.0 |
Timeline
- Dec 15, 2025 CVE ID Reserved
- Dec 30, 2025 PoC Published
- Dec 31, 2025 CVE Published
- Dec 31, 2025 EPSS Score
- Dec 31, 2025 PoC Published
- Dec 31, 2025 PoC Published
- Jan 2, 2026 CVE Updated
- Jan 2, 2026 PoC Published
- Jan 2, 2026 PoC Published
- Jan 4, 2026 EPSS Score
- Jan 9, 2026 EPSS Score
- Jan 9, 2026 PoC Published
References
- https://github.com/agronholm/cbor2/security/advisories/GHSA-wcj4-jw5j-44wh url
- https://nvd.nist.gov/vuln/detail/CVE-2025-68131 advisory
- https://github.com/agronholm/cbor2/pull/268 url
- https://github.com/agronholm/cbor2/commit/f1d701cd2c411ee40bb1fe383afe7f365f35abf0 url
- https://github.com/agronholm/cbor2 package
- https://github.com/pypa/advisory-database/tree/main/vulns/cbor2/PYSEC-2025-90.yaml url