3.1
LOW CVSS 3.1
CVE-2026-123508
Vikunja before 2.7.1 Supply Chain Risk via Unpinned xgo Release Toolchain
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.

INFO

Published Date :

Nov. 8, 2026, 2:16 a.m.

Last Modified :

Nov. 8, 2026, 2:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-123508 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vikunja vikunja
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 LOW MITRE-CVE
CVSS 3.1 LOW [email protected]
CVSS 4.0 LOW 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 LOW [email protected]
Solution
Update Vikunja to version 2.7.1 or later to address supply chain risks.
  • Update Vikunja to version 2.7.1 or later.
  • Use immutable references for module and image fetching.
  • Verify integrity of fetched modules and images.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-123508.

URL Resource
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-123508 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-123508 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-123508 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 08, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N
    Added CWE CWE-494
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/123xxx/CVE-2026-123508.json">CVE-2026-123508</a>
    Added Reference https://github.com/go-vikunja/vikunja/security/advisories/GHSA-h8wj-3gwg-jjjg
    Added Reference https://www.vulncheck.com/advisories/vikunja-before-2.7.1-supply-chain-risk-via-unpinned-xgo-release-toolchain
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.