EIP-2026-103823

PRE-CVE

xscreensaver 5.01 - Arbitrary File Disclosure Symlink

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103823. PoCs published by kingcope.

AI-analyzed exploit summary This exploit leverages a symlink attack on xscreensaver's configuration file to disclose arbitrary local file contents. The setuid binary follows symlinks in ~/.xscreensaver, parsing and displaying the target file's contents in error messages.

Description

xscreensaver 5.01 - Arbitrary File Disclosure Symlink

Exploits (1)

exploitdb WORKING POC VERIFIED

by kingcope · textlocalmultiple

https://www.exploit-db.com/exploits/9097

View Code ZIP pw:eip

This exploit leverages a symlink attack on xscreensaver's configuration file to disclose arbitrary local file contents. The setuid binary follows symlinks in ~/.xscreensaver, parsing and displaying the target file's contents in error messages.

Classification

Working Poc 95%

Attack Type

Info Leak

Complexity

Trivial

Reliability

Reliable

Target: xscreensaver 5.01 (and likely other versions)

No auth needed

Prerequisites: Local access to the system · xscreensaver installed with setuid bit set · Ability to create symlinks in the user's home directory

MITRE ATT&CK

T1083 - File and Directory Discovery T1068 - Exploitation for Privilege Escalation

devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026