CVE-2026-121587
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-200 · Information exposure
- Record status
- Received
Attack profile CVSS 4.0 · 6.9
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-121587.md and follow it. Check whether this project is affected by CVE-2026-121587. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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/releases/tag/v4.1.1
References
- https://github.com/coollabsio/coolify
- https://github.com/coollabsio/coolify/blob/v4.1.0/app/Http/Controllers/Webhook/Github.php#L69
- 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/releases/tag/v4.1.1
- https://www.vulncheck.com/advisories/coolify-before-4.1.1-application-name-enumeration-via-manual-webhook-endpoints