CVE-2026-27851
9.1
CRITICAL
CVSS 3.1
EPSS 0.41%
Description
When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No publicly available exploits are known.
How to fix CVE-2026-27851
To remediate CVE-2026-27851, upgrade the affected package to a fixed version below.
- —upgrade to 1:2.4.1+dfsg1-6+deb13u6 or later
Is CVE-2026-27851 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:2.4.1+dfsg1-6+deb13u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |