CVE-2026-84761
Deferred Deferred - Pending Action

Unauthenticated SSRF in LiteSpeed Cache

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Patchstack

Description
Unauthenticated Server Side Request Forgery (SSRF) in LiteSpeed Cache <= 7.9 versions.

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-84761
EUVD
EUVD-2026-70583

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
litespeed cache to 7.9 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This is an unauthenticated Server Side Request Forgery (SSRF) vulnerability in the LiteSpeed Cache WordPress plugin versions up to 7.9. It allows an attacker to force the website to make requests to arbitrary domains without authentication, potentially exposing sensitive information from other services on the same system.

Detection Guidance

To detect this SSRF vulnerability in LiteSpeed Cache <= 7.9, check the plugin version in your WordPress admin panel under Plugins. If the version is 7.9 or lower, the system is vulnerable. You can also inspect server logs for unusual outbound requests to internal or external domains originating from the WordPress site.

Impact Analysis

An attacker could exploit this to access internal services, steal sensitive data, or perform unauthorized actions on behalf of the server. Since it is unauthenticated, any unpatched website using the vulnerable plugin is at risk of mass exploitation campaigns.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection requirements or HIPAA's security rules for protected health information. Non-compliance may result in legal penalties or reputational damage.

Mitigation Strategies

Immediately update LiteSpeed Cache to version 7.9.1 or later. If updating is not possible, apply Patchstack's provided mitigation rule to block SSRF attacks until the update is applied. Contact your hosting provider or web developer for assistance if needed.

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