PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in…
Priority LOW 33CWE-330Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00406 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pypinksign (PyPI) | up to 0.5.1 | — | No fix listed | GHSA-fxff-wxxv-c2jc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pypinksign (PyPI) Vendor— Affected up to 0.5.1 Fixed in — No fix listed GHSA-fxff-wxxv-c2jc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-48056
- 2026-10-03 Alias added: GHSA-fxff-wxxv-c2jc
References
Advisory 2
Other 6
- https://github.com/bandoche/PyPinkSign/issues/29
- https://github.com/bandoche/PyPinkSign/commit/e1809ddf6a266e9007e10f0486b462fa7f89a43d
- https://github.com/bandoche/PyPinkSign
- https://github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py#L504
- https://github.com/bandoche/PyPinkSign/blob/main/pypinksign/pypinksign.py#L537
- https://github.com/pypa/advisory-database/tree/main/vulns/pypinksign/PYSEC-2023-245.yaml
Sources
- CVE-2023-48056 · CVE Program
- CVE-2023-48056 · NVD
- FIRST EPSS
- GHSA-fxff-wxxv-c2jc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences