Bundesamt für Sicherheit in der Informationstechnik Open Source · GNU patch: Schwachstelle ermöglicht Manipulation von Dateien
Affects Bundesamt für Sicherheit in der Informationstechnik Open SourceSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium : upgrade to 2.8.1 when convenient.
Data as of 10 Nov 2026, 11:36 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.5 |
|---|
- Patch
- Available – fixed in 2.8.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade gnu/patch to 2.8.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubgnu/patchpkg:github/gnu/patchOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix for this vulnerability is available in patch version 2.8.1. Users should update to this version or later to remediate the issue. Red Hat provides updated packages for affected Red Hat Enterprise Linux 8 variants. Applying the official patch eliminates the vulnerability.
Description
A vulnerability in the Unix patch program allows bypassing filename validation in a reversal fallback scenario, enabling creation of files outside the intended working directory. This flaw was addressed in patch version 2.8.1. The issue was rated as having moderate security impact by Red Hat and affects multiple Red Hat Enterprise Linux 8 variants.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4173.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4173 (opens in a new tab)
- lists.gnu.org/archive/html/bug-patch/2026-10/msg00014.html (opens in a new tab)
- github.com/advisories/GHSA-M74W-H57V-XV36 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:96215 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-96215.html (opens in a new tab)