MEDIUM

CVE-2026-91997

2026-09-15 CVSS v3.1

CVSS

5.3

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.

Weakness (CWE)

CWE-697

EPSS Score

0.34%

Probability of exploitation in next 30 days

27.1th percentile

References

https://github.com/evolution-foundation/evolution-api https://github.com/evolution-foundation/evolution-api/blob/2.3.7/src/api/routes/index.router.ts#L49-L65 https://github.com/geo-chen/oss/blob/main/evolution-api.md https://www.vulncheck.com/advisories/evolution-api-through-2.3.7-prometheus-metrics-ip-allowlist-bypass

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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