CVE-2026-44374

Name: CVE-2026-44374
Creator: NVD / NIST
Published: 2026-05-14T15:16:48.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-44374 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.17%

6.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Linuxfoundation	Backstage\/Plugin-Catalog-Backend-Module-Unprocessed	< 0.6.11
Linuxfoundation	Backstage\/Plugin-Catalog-Unprocessed-Entities	< 0.2.30
Linuxfoundation	Backstage\/Plugin-Catalog-Unprocessed-Entities-Common	< 0.0.15

References

https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfgMitigation, Vendor Advisory

Timeline

Published: May 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-44374?

How severe is CVE-2026-44374?

CVE-2026-44374 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-44374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-44374?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST