CVE-2026-121587

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CVE-2026-121587

Summary: Coolify before 4.1.1 Application Name Enumeration via Manual Webhook Endpoints

Details: 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.

References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121587.json, https://github.com/coollabsio/coolify/releases/tag/v4.1.1, https://nvd.nist.gov/vuln/detail/CVE-2026-121587, https://www.vulncheck.com/advisories/coolify-before-4.1.1-application-name-enumeration-via-manual-webhook-endpoints, https://github.com/coollabsio/coolify/commit/809d9b21fa9609de2ce9b49bb838c079598da876, https://github.com/coollabsio/coolify/commit/c1518ba1c0be36da42b6cef06df4b042f5733b01, https://github.com/coollabsio/coolify/pull/10361, https://github.com/coollabsio/coolify, https://github.com/coollabsio/coolify/blob/v4.1.0/app/Http/Controllers/Webhook/Github.php#L69