Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-91997
evolution-foundation evolution-api — evolution-api through 2.3.7 Prometheus Metrics IP Allowlist Bypass
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N L N N 6.9 .0045 36.8 —
AFFECTED
Product Versions Fixed
evolution-api unspecified —
TIMELINE
Sep 15 Reserved by VulnCheck
Sep 15 Published (CNA: VulnCheck)
Sep 24 EXPLOIT PUBLISHED — CVE-2026-91997 (evolution-foundation evolution-api). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 15, 2026 | Reserved | Reserved by VulnCheck |
| September 15, 2026 | Published | Published (CNA: VulnCheck) |
| September 24, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-91997 (evolution-foundation evolution-api). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| evolution-foundation | evolution-api | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-91997 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
