CVE-2026-44374

medium

Published 2026-05-14 · Modified 2026-06-01

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

4.3

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.

Predictions

Exploit likelihood

73%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	@backstage/plugin-catalog-unprocessed-entities-common	`<0.0.15`	`0.0.15`
npm	@backstage/plugin-catalog-unprocessed-entities	`<0.2.30`	`0.2.30`
npm	@backstage/plugin-catalog-backend-module-unprocessed	`<0.6.11`	`0.6.11`
NPM	@backstage/plugin-catalog-backend-module-unprocessed	`< 0.6.11`	`0.6.11`
NPM	@backstage/plugin-catalog-unprocessed-entities	`< 0.2.30`	`0.2.30`
NPM	@backstage/plugin-catalog-unprocessed-entities-common	`< 0.0.15`	`0.0.15`

Application impact

Vendor	Product	Versions	Fixed
linuxfoundation	backstage\/plugin-catalog-backend-module-unprocessed	`{"endExcluding":"0.6.11"}`	`0.6.11`
linuxfoundation	backstage\/plugin-catalog-unprocessed-entities	`{"endExcluding":"0.2.30"}`	`0.2.30`
linuxfoundation	backstage\/plugin-catalog-unprocessed-entities-common	`{"endExcluding":"0.0.15"}`	`0.0.15`

References

CWEs

CWE-863

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.