CVE-2026-91997evolution-api through 2.3.7 Prometheus Metrics IP Allowlist Bypass
Updated under an hour ago ()
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It affects evolution-foundation evolution-api. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-697
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
evolution-foundation evolution-api evolution_foundation:evolution_api (from the name) | through 2.3.7 | CNA record |
References
- https://github.com/geo-chen/oss/blob/main/evolution-api.mdthird-party-advisory, exploit
- https://github.com/evolution-foundation/evolution-api/blob/2.3.7/src/api/routes/index.router.ts#L49-L65technical-description
- https://github.com/evolution-foundation/evolution-apiproduct
- https://www.vulncheck.com/advisories/evolution-api-through-2.3.7-prometheus-metrics-ip-allowlist-bypassthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.