CVE-2026-103547
OpenBSD OpenBSD
- OpenBSD OpenBSD
- Critical
- CVSS 9.2
- EPSS 0.37%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| OpenBSD OpenBSD | from 7.8, before errata 057; from 7.9, before errata 021 | errata 057 |
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.2 (v4.0, scored by mitre)
- EPSS
- 0.37% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 26, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Sep 30, 2026.
- Weakness
- CWE-863: Incorrect Authorization
- Vendor
- OpenBSD, OpenBSD
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.