CVE-2026-123508 (CVSS 3.1)

Description

Vikunja before 2.7.1 contains a supply chain vulnerability in its mage release targets that fetch the xgo module and Docker image by mutable latest references. Attackers who compromise the upstream xgo module, image, or registry can inject malicious code into subsequently built release binaries shipped under a valid signature.

Is your site exposed to CVE-2026-123508?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

3.1

LOW

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

EPSS — Exploit Prediction

0.0009

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-494 CWE-494

References

Other References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-h8wj-3gwg-jjjg https://www.vulncheck.com/advisories/vikunja-before-2.7.1-supply-chain-risk-via-unpinned-xgo-release-toolchain

Frequently Asked Questions

What is CVE-2026-123508? +

Vikunja before 2.7.1 contains a supply chain vulnerability in its mage release targets that fetch the xgo module and Docker image by mutable latest references. Attackers who compromise the upstream xgo module, image, or registry can inject malicious code into subsequently built release binaries shipped under a valid signature. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-123508? +

CVE-2026-123508 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0009, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-123508? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-0392

eParakstītājs 3.0 for Windows before version 1.10.0 retrieves and executes its automatic updates over a channel that is not authenticated …

CVE-2026-76241

stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If …

CVE-2025-53696

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These …

CVE-2026-125958

Download of code without integrity check vulnerability in N-able N-central allows Remote Code Inclusion. This issue affects N-central: through 24.6.1.

CVE-2026-50562

FastGPT is a knowledge-based AI application platform. At commit 22ebfacbb43311e9b73294040ae0eb87390c6bba and earlier, artifacts built from untrusted pull request code in …

CVE-2025-52937

Vulnerability in PointCloudLibrary PCL (surface/src/3rdparty/opennurbs modules). This vulnerability is associated with program files crc32.C. This vulnerability is only relevant if …