Description
aqua is a declarative command-line version manager written in Go. Prior to 2.60.1, pkg/unarchive/archives.go in the handler.HandleFile method calls os.Symlink with archives.FileInfo.LinkTarget without verifying that the target remains under the extraction destination. A later regular-file entry at the same archive path is opened with OpenFile using O_CREATE and O_WRONLY, which follows the attacker-planted symlink. A malicious or compromised package archive can therefore write attacker-controlled bytes outside aqua's extraction directory with the privileges of the user running aqua, potentially overwriting shell startup files, tool configuration, or writable executable paths. This issue is fixed in version 2.60.1.
Published: 2026-08-28
Score: 6.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-mf5c-hw34-4hpp Aqua's archive extraction follows attacker-planted symlinks, allowing writes outside the install directory
History

Tue, 01 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 31 Aug 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Aquaproj
Aquaproj aqua
Vendors & Products Aquaproj
Aquaproj aqua

Fri, 28 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description aqua is a declarative command-line version manager written in Go. Prior to 2.60.1, pkg/unarchive/archives.go in the handler.HandleFile method calls os.Symlink with archives.FileInfo.LinkTarget without verifying that the target remains under the extraction destination. A later regular-file entry at the same archive path is opened with OpenFile using O_CREATE and O_WRONLY, which follows the attacker-planted symlink. A malicious or compromised package archive can therefore write attacker-controlled bytes outside aqua's extraction directory with the privileges of the user running aqua, potentially overwriting shell startup files, tool configuration, or writable executable paths. This issue is fixed in version 2.60.1.
Title aqua: Archive extraction in aqua follows attacker-planted symlinks, allowing writes outside the install directory
Weaknesses CWE-22
CWE-59
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-01T01:44:40.571Z

Reserved: 2026-06-16T23:11:20.214Z

Link: CVE-2026-55569

cve-icon Vulnrichment

Updated: 2026-09-01T01:44:29.315Z

cve-icon NVD

Status : Received

Published: 2026-08-28T20:18:29.347

Modified: 2026-09-01T02:16:58.630

Link: CVE-2026-55569

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T11:20:20Z

Weaknesses