Is there a public exploit for CVE-2026-121587?

No public exploit for CVE-2026-121587 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-2026-121587?

CVE-2026-121587 scores CVSS 6.9 (v4.0), rated medium.

What does CVE-2026-121587 affect?

CVE-2026-121587 affects coollabsio coolify.

6.9 Medium

Coolify before 4.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate application names…

CVE-2026-121587

Coolify before 4.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to enumerate application names across all teams via manual GitHub, GitLab, Bitbucket and Gitea webhooks. Attackers can send a repository name of % or empty with a common branch like main, exploiting unescaped LIKE wildcards to receive every matching application name before signature verification.

Assessment

CVSS: 6.9 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: coollabsio · coolify
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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