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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-25145

20
FAUCET Score

CVE-2026-25145 is a path traversal vulnerability in Chainguard melange versions 0.14.0 through 0.40.2, allowing an attacker to read arbitrary host system files. By manipulating a melange configuration file, an attacker can specify a license file path outside the workspace, embedding its contents into the generated Software Bill of Materials (SBOM). This medium-severity vulnerability (CVSS 5.5) has a low attack complexity and requires local privileges, but can lead to high confidentiality impact through sensitive data exfiltration. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE. The issue has been patched in melange version 0.40.3.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.14.0, < 0.40.5CPE matchmatch criteria
cpe:2.3:a:chainguard:melange:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 36th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: chainguard.dev/melangeFixed in: 0.40.3

Vendor Advisories (1)

goGHSA-2w4f-9fgg-q2v9medium

melange has a path traversal in license-path which allows reading files outside workspace

Feb 4, 2026

References

github.com / chainguard-dev/melange/commit/2f95c9f4355ed993f2670bf1bb82d88b0f65e9e4
Patch
github.com / chainguard-dev/melange/security/advisories/GHSA-2w4f-9fgg-q2v9
PatchVendor Advisory