Vulnerability · Published May 6, 2026 · Assigned by cisco

CVE-2026-20035Cisco Unity Connection Server-Side Request Forgery Vulnerability

High 7.2

In plain English

A high-severity server-side request forgery in Cisco Unity Connection from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.3%top 76.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Unity Connection 12.5(1)12.5(1)SU112.5(1)SU212.5(1)SU312.5(1)SU41412.5(1)SU514SU1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References