Is there a public exploit for CVE-2026-123519?

No public exploit for CVE-2026-123519 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-123519?

CVE-2026-123519 scores CVSS 7.1 (v4.0), rated high.

What does CVE-2026-123519 affect?

CVE-2026-123519 affects go-vikunja vikunja.

7.1 High

Vikunja before 2.7.1 contains a denial of service vulnerability that allows authenticated users to exhaust API process memory by uploading…

CVE-2026-123519

Vikunja before 2.7.1 contains a denial of service vulnerability that allows authenticated users to exhaust API process memory by uploading WeKan or vikunja-file imports with no item-count cap. Attackers can submit a ~22 MB WeKan JSON with hundreds of thousands of cards or duplicate IDs to the wekan migrate endpoint, triggering OOM and crashing the instance.

Assessment

CVSS: 7.1 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 8 November 2026
Last updated: 8 November 2026
Affected: go-vikunja · vikunja
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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