Mmastodon TechnologyCybersecurity first seen 2 d ago, last 2 d ago, peak #3

LiteSpeed Web Server fixes internal redirect validation flaw CVE-2026-93903

Original: CVE-2026-93903: LiteSpeed Web Server (LSWS) from litespeedtech mishandles internal redirect URL validation in a certain

A vulnerability tracked as CVE-2026-93903 affects LiteSpeed Technologies' LiteSpeed Web Server, which mishandles internal redirect URL validation in a specific corner case. All versions before 6.3.7 build 1 are affected. No exploitation has been confirmed so far. Administrators are advised to update to version 6.3.7 build 1 to resolve the issue, and the flaw is being flagged across security communities.

Why now: System administrators are being urged to patch their LiteSpeed Web Server installations after the disclosure of the new vulnerability.

LiteSpeed TechnologiesLiteSpeed Web ServerCVE-2026-93903

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Evidence

• CVE-2026-93903: LiteSpeed Web Server (LSWS) from litespeedtech mishandles internal redirect URL validation in a certain corner case. Versions before 6.3.7 build 1 are affected. No exploitation is confirmed. Update to 6.3.7 build 1 to resolve the issue. https://www.… · suriq@infosec.exchange · 1

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