SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-54122

A critical unauthenticated full read Server-Side Request Forgery (SSRF) vulnerability has been identified in the proxy handler component of both manager Desktop and Server edition versions up to and including 25.7.18.2519.

CRITICAL 10.0EPSS 0.89%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Manager-io/Manager is accounting software. A critical unauthenticated full read Server-Side Request Forgery (SSRF) vulnerability has been identified in the proxy handler component of both manager Desktop and Server edition versions up to and including 25.7.18.2519. This vulnerability allows an unauthenticated attacker to bypass network isolation and access restrictions, potentially enabling access to internal services, cloud metadata endpoints, and exfiltration of sensitive data from isolated network segments. This vulnerability is fixed in version 25.7.21.2525.

CVSS 3.1
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.89% probability · 59th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-918
Source
security-advisories@github.com
EPSS trend
0%3%5%27 October 2026: 0.89%27 October 202627 October 2026

EPSS 0.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.