backstage plugin-catalog-backend-module-unprocessed up to 0.6.10 Unprocessed Entities Read Endpoint authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in backstage plugin-catalog-backend-module-unprocessed, plugin-catalog-unprocessed-entities and plugin-catalog-unprocessed-entities-common up to 0.6.10 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Unprocessed Entities Read Endpoint. Performing a manipulation results in authorization. This vulnerability is identified as CVE-2026-44374. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in backstage plugin-catalog-backend-module-unprocessed, plugin-catalog-unprocessed-entities and plugin-catalog-unprocessed-entities-common up to 0.6.10. This affects an unknown part of the component Unprocessed Entities Read Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-44374 since 05/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.6.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30295). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: plugin-catalog-backend-module-unprocessed/plugin-catalog-unprocessed-entities/plugin-catalog-unprocessed-entities-common 0.6.11

Timelineinfo

05/05/2026 CVE reserved
05/14/2026 +9 days Advisory disclosed
05/14/2026 +0 days VulDB entry created
05/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-p7g9-rp3g-mgfg
Status: Confirmed

CVE: CVE-2026-44374 (🔒)
GCVE (CVE): GCVE-0-2026-44374
GCVE (VulDB): GCVE-100-363891
EUVD: 🔒

Entryinfo

Created: 05/14/2026 17:30
Updated: 05/15/2026 00:13
Changes: 05/14/2026 17:30 (64), 05/15/2026 00:13 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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