CVE-2026-112300
mediumA vulnerability was identified in DiffSK configobj up to 5.0.9.
A vulnerability was identified in DiffSK configobj up to 5.0.9. Affected by this vulnerability is the function _sectionmarker of the file configobj/__init__.py. The manipulation leads to inefficient regular expression complexity. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-10-19 21:17
Modified: 2026-10-20 19:27
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 07:04 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/DiffSK/configobj/ cna@vuldb.com
- https://github.com/DiffSK/configobj/issues/281 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-112300 cna@vuldb.com
- https://vuldb.com/submit/989395 cna@vuldb.com
- https://vuldb.com/vuln/422346 cna@vuldb.com
- https://vuldb.com/vuln/422346/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:04 UTC · record ↗
