OffensiveBias20/CVE-2026-34990-POC

PoC

Proof-of-concept research for CVE-2026-34990, a local privilege-escalation vulnerability affecting CUPS. This repository documents the vulnerability mechanics, CUPS/IPP request flow, authentication-token disclosure, the localhost callback technique, and the subsequent privilege-escalation primitive.

view exploit source poc_in_githubauthor OffensiveBias20published 2026-09-28catalog poc_in_github
01

exploited CVEs (1)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-34990US—Exploit
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into a…
scry

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