CVE-2026-44374: Backstage is an open framework for building developer portals

Routine

MEDIUM 4.3WATCHLISTUPGRADEUPGRADEUPGRADE

CVE-2026-44374 is a medium-severity flaw (CVSS 4.3) affecting backstage\/plugin-catalog-backend-module-unprocessed, backstage\/plugin-catalog-unprocessed-entities, backstage\/plugin-catalog-unprocessed-entities-common. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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-ca

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-05-14
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: linuxfoundation

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-14 15:16 UTCPublished CVE record published
2026-10-26 14:10 UTCUpdated Record last modified

linuxfoundation backstage\/plugin-catalog-backend-module-unprocessed UPGRADE

Affected: < 0.6.11

Fixed in: 0.6.11

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls backstageplugin-catalog-backend-module-unprocessed

2. UPGRADE to 0.6.11

npm install backstageplugin-catalog-backend-module-unprocessed@">=0.6.11"

linuxfoundation backstage\/plugin-catalog-unprocessed-entities UPGRADE

Affected: < 0.2.30

Fixed in: 0.2.30

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls backstageplugin-catalog-unprocessed-entities

2. UPGRADE to 0.2.30

npm install backstageplugin-catalog-unprocessed-entities@">=0.2.30"

linuxfoundation backstage\/plugin-catalog-unprocessed-entities-common UPGRADE

Affected: < 0.0.15

Fixed in: 0.0.15

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls backstageplugin-catalog-unprocessed-entities-common

2. UPGRADE to 0.0.15

npm install backstageplugin-catalog-unprocessed-entities-common@">=0.0.15"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44374?

backstage\/plugin-catalog-backend-module-unprocessed: upgrade to 0.6.11; backstage\/plugin-catalog-unprocessed-entities: upgrade to 0.2.30; backstage\/plugin-catalog-unprocessed-entities-common: upgrade to 0.0.15. Exact commands for each OS are on this page.

Is CVE-2026-44374 being exploited?

CVE-2026-44374 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44374 affect?

CVE-2026-44374 affects backstage\/plugin-catalog-backend-module-unprocessed, backstage\/plugin-catalog-unprocessed-entities, backstage\/plugin-catalog-unprocessed-entities-common. Severity is medium (CVSS 4.3). 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 authenticate

How urgent is CVE-2026-44374?

Priority 22/100. On your watchlist

References

← Back to latest CVEs