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Golang CVE-2026-25121

HIGH
Relative Path Traversal (CWE-23)
2026-02-04 security-advisories@github.com GHSA-5g94-c2wx-8pxw
7.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SUSE
HIGH
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch released
Feb 20, 2026 - 21:31 nvd
Patch available
CVE Published
Feb 04, 2026 - 19:16 nvd
HIGH 7.5

DescriptionGitHub Advisory

apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before 1.1.1, a path traversal vulnerability was discovered in apko's dirFS filesystem abstraction. An attacker who can supply a malicious APK package (e.g., via a compromised or typosquatted repository) could create directories or symlinks outside the intended installation root. The MkdirAll, Mkdir, and Symlink methods in pkg/apk/fs/rwosfs.go use filepath.Join() without validating that the resulting path stays within the base directory. This issue has been patched in version 1.1.1.

AnalysisAI

Apko versions up to 1.1.1 contains a vulnerability that allows attackers to build and publish OCI container images built from apk packages (CVSS 7.5).

Technical ContextAI

affects Apko. apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before 1.1.1, a path traversal vulnerability was discovered in apko's dirFS filesystem abstraction. An attacker who can supply a malicious APK package (e.g., via a compromised or typosquatted repository) could create directories or symlinks outside the intended installation root. The MkdirAll, Mkdir, and Symlink methods in pkg/apk/fs/rwosfs.go use filepath.Join() without validating that th

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 1.1.1.. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.

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Vendor StatusVendor

SUSE

Severity: High
Product Status
openSUSE Leap 15.6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
openSUSE Leap 15.5 Fixed

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CVE-2026-25121 vulnerability details – vuln.today

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