Red Hat Security Advisory: yggdrasil-worker-package-manager security update
Affects Red Hat yggdrasil-worker-package-managerSource GCVE Database
Not known to be exploited · CVSS 8.8 High.
Data as of 13 Nov 2026, 00:06 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 8.8 |
|---|
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 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 12 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10yggdrasil-worker-package-manager | Affected– | Fixed in– |
Description
yggdrasil-worker-package-manager is a simple package manager yggd worker. It knows how to install and remove packages, add, remove, enable and disable repositories, and does rudimentary detection of the host it is running on to guess the package manager to use. It only installs packages that match one of the provided allow-pattern regular expressions. Security Fix(es): * yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: path traversal via unsanitized repo name in AddRepo/RemoveRepo (CVE-2026-18379) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.