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VulnerabilityPublished

CVE-2026-27956: coollabsio coolify · Insecure Direct Object Reference

Affects coollabsio coolifySource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 4.0.0-beta.464 when convenient.

Data as of 13 Nov 2026, 23:53 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.0.0-beta.464
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade coollabsio coolify to 4.0.0-beta.464.

Affected software

ProductAffectedFixed in
coollabsiocoolifyAffected
  • <4.0.0-beta.464
Fixed in
  • 4.0.0-beta.464
GitHubcoollabsio/coolifypkg:github/coollabsio/coolifyOther threatsAffected
  • =4.0.0-beta.464
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to version 4.0.0-beta.464 or later, where this authorization bypass issue is fixed. Patch status is not explicitly stated but the fix is included in 4.0.0-beta.464. Until upgraded, restrict API access to trusted users only.

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.464, `GET /api/v1/servers/{server_uuid}/domains?uuid={app_uuid}` bypasses team scoping when the optional uuid query parameter is provided. Any authenticated API user can enumerate domain names (FQDNs) of applications belonging to other teams. This vulnerability is fixed in 4.0.0-beta.464.

References

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