Is there a public exploit for CVE-2026-115507?

No public exploit for CVE-2026-115507 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-2026-115507?

CVE-2026-115507 scores CVSS 5.1 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.2%.

What does CVE-2026-115507 affect?

CVE-2026-115507 affects go-vikunja vikunja.

5.1 Medium

Vikunja 2.2.0 before 2.7.1 contains an HTML injection vulnerability in CreateConversationalHeader in pkg/notifications/mail.go that…

CVE-2026-115507

Vikunja 2.2.0 before 2.7.1 contains an HTML injection vulnerability in CreateConversationalHeader in pkg/notifications/mail.go that interpolates display names and task and project titles raw into email anchors. Authenticated users can craft titles or display names that close the anchor and inject phishing links into task-comment and task-mention notification emails sent to project members.

Assessment

CVSS: 5.1 (v4.0)
Severity: Medium
EPSS: 0.2% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 22 October 2026
Last updated: 4 November 2026
Affected: go-vikunja · vikunja
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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