Description
A flaw was found in yggdrasil-worker-package-manager. An authenticated attacker can exploit this issue to achieve arbitrary file modification or potential privilege escalation. The vulnerability exists because repository management operations fail to sanitize directory traversal sequences (such as '../') within repository names. By supplying a crafted repository name, an attacker can manipulate the root-level worker process into creating or deleting files outside the intended directory, compromising host system integrity.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | yggdrasil-worker-package-manager | 0.2.3-7.el10_2.9 | RHSA-2026:96082 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | yggdrasil-worker-package-manager | 0.2.3-7.el10_2.9 | RLSA-2026:96082 |
Advisories 3
- RHSA-2026:96082 Red Hat Security Advisory: yggdrasil-worker-package-manager security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:96082 Moderate: yggdrasil-worker-package-manager security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-4402 Red Hat Enterprise Linux (yggdrasil-worker-package-manager): Schwachstelle ermöglicht Privilegieneskalation BSI CERT-Bund (WID) · Nov 12, 2026
References
- RHSA-2026:96082 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-18379 vdb-entry
- RHBZ#2546571 issue-tracking