CVE-2022-26156

Name: CVE-2022-26156
Creator: NVD / NIST
Published: 2022-02-28T16:15:08.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2022-26156 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. Injection of a malicious payload within the RelayState= parameter of the HTTP request body results in the hijacking of the form action. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. Injection of a malicious payload within the RelayState= parameter of the HTTP request body results in the hijacking of the form action. Form-action hijacking vulnerabilities arise when an application places user-supplied input into the action URL of an HTML form. An attacker can use this vulnerability to construct a URL that, if visited by another application user, will modify the action URL of a form to point to the attacker's server.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.70%

48.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Cherwell	Cherwell Service Management	10.2.3

References

https://github.com/l00neyhacker/CVE-2022-26156Third Party Advisory
https://help.cherwell.com/bundle/release_notes_10_4_help_only/page/content/release_notes/10_4_0_fix_list.htmlRelease Notes, Vendor Advisory
https://github.com/l00neyhacker/CVE-2022-26156Third Party Advisory
https://help.cherwell.com/bundle/release_notes_10_4_help_only/page/content/release_notes/10_4_0_fix_list.htmlRelease Notes, Vendor Advisory

Timeline

Published: Feb 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26156?

How severe is CVE-2022-26156?

CVE-2022-26156 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26156?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26156?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST