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CVE-2026-91997: Incorrect Comparison in evolution-foundation evolution-api

0
Medium
VulnerabilityCVE-2026-91997cvecve-2026-91997
Published: 09/15/2026 (09/15/2026, 11:35:51 UTC)
Source: CVE Database V5
Vendor/Project: evolution-foundation
Product: evolution-api

Description

evolution-api through 2.3.7 contains an incorrect array comparison in the metricsIPWhitelist middleware that always evaluates to false, allowing unauthenticated access to the /metrics endpoint. Attackers can bypass IP whitelist restrictions to access sensitive metrics disclosing server version, database client name, configured server URL, and WhatsApp instance details.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected software

evolution-foundation

evolution-api

Affected versions
>=0 <=2.3.7
GitHub Actionsmore threats →cve
evolution-api
pkg:github/evolution-api
Affected versions
>=0 <=2.3.7

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2026-09-15T11:11:13.312Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aa9305055bf5e2cf5c40bd5

Added to database: 09/15/2026, 11:47:28 UTC

Last updated: 09/15/2026, 11:47:28 UTC

Views: 1

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