PT-2026-45914 · Sbabic · Swupdate

Reinhard Kugler · Published 2026-06-03 · Updated 2026-06-03 · CVE-2025-41259

NVD

CVSS v4.0

7.3

High

Base vector

AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2025-41259

Affected Products

Swupdate

References · 4

• https://github.com/sbabic/swupdate/commit/f4bd64260e233e207354d68d572b1cbc3e63689d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-41259 · Security Note
• https://github.com/sbabic/swupdate · Note
• https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOU · Note