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CVE-2026-123496

4.8 mediumEPSS 0.1%

Medium (4.8) in go-vikunja vikunja. EPSS 0.1% estimated probability of exploitation activity in the next 30 days.

On this page
Vikunja veans before 2.7.1 contains a symlink following vulnerability that allows attackers to make veans init write files outside the repository via crafted repo symlinks. Attackers can ship symlinked .veans.yml, .claude, or .opencode entries to overwrite user files like ~/.bashrc or install veans hooks and plugins globally.

Severity

CVSS 4.0

4.8 medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

3.3 low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
0.1% estimated probability of exploitation activity in the next 30 days; 3rd percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-59 Improper Link Resolution Before File Access (Link Following)
OWASP Top 10
A01:2025 Broken Access Control
Published
Modified
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
go-vikunja vikunjabefore 2.7.1

Attack patterns (CAPEC)

  • CAPEC-17 Using Malicious Files Likelihood: High · Severity: Very High
  • CAPEC-35 Leverage Executable Code in Non-Executable Files Likelihood: High · Severity: Very High
  • CAPEC-76 Manipulating Web Input to File System Calls Likelihood: High · Severity: Very High
  • CAPEC-132 Symlink Attack Likelihood: Low · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

Check your stackJSON