CVE-2026-52843

Published: Jul 15, 2026Modified: Oct 24, 2026Deferred

9.3

Vector

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

Exploitability: 2.8 / Impact: 5.8

Source: security-advisories@github.com (Secondary)

Description

Lightpanda is a headless browser designed for AI and automation. Prior to 0.2.9, Lightpanda fetch() and XMLHttpRequest unconditionally attached session cookies to every HTTP request, ignoring credentials: omit, credentials: same-origin, credentials: include, and XMLHttpRequest.withCredentials, allowing an attacker-controlled origin in a Lightpanda session to issue authenticated cross-origin requests against a victim origin. This issue is fixed in version 0.2.9.

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (4)

https://github.com/lightpanda-io/browser/commit/2cdaac780bed65db98bbb6ed2ad5bc6011863c76

Source: security-advisories@github.com

https://github.com/lightpanda-io/browser/pull/2155

Source: security-advisories@github.com

https://github.com/lightpanda-io/browser/releases/tag/0.2.9

Source: security-advisories@github.com

https://github.com/lightpanda-io/browser/security/advisories/GHSA-36mm-v3c2-24cc

Source: security-advisories@github.com

Timeline

No history available yet.