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Fencer Vulns
medium 5.3

CVE-2026-27796 json

Homarr: Unauthenticated Information Disclosure (Integration Metadata Leak)

published 2026-03-07 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-10114

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known, plus a Nuclei check

Summary

Homarr is an open-source dashboard. Prior to version 1.54.0, the integration.all tRPC endpoint in Homarr is exposed as a publicProcedure, allowing unauthenticated users to retrieve a complete list of configured integrations. This metadata includes sensitive information such as internal service URLs, integration names, and service types. This issue has been patched in version 1.54.0.

Patch / fix

  • homarr homarr 1.54.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Homarr < 1.54.0 - Information Disclosure nuclei detection template
  • github.com https://github.com/homarr-labs/homarr/security/advisories/GHSA-m4vc-4prp-cvp7 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • homarr-labs homarr

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-862 Missing Authorization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.