CVE-2022-26158

CVE-2022-26158 is a medium-severity vulnerability in Cherwell Cherwell Service Management with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Description

An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. It accepts and reflects arbitrary domains supplied via a client-controlled Host header. Injection of a malicious URL in the Host: header of the HTTP Request results in a 302 redirect to an attacker-controlled page.

Frequently asked questions

What is CVE-2022-26158?
An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. It accepts and reflects arbitrary domains supplied via a client-controlled Host header. Injection of a malicious URL in the Host: header of the HTTP Request results in a 302 redirect to an attacker-controlled page.
How severe is CVE-2022-26158?
CVE-2022-26158 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-26158 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26158?
CVE-2022-26158 affects Cherwell Cherwell Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26158?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26158 published?
CVE-2022-26158 was published on 2022-02-28 and last updated on 2026-06-17.

References

Affected products (1)

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