CVE-2025-41259
SWUpdate Untrusted Script Execution via Signed Update TOCTOU
HIGH
7.3
CVSS Score
Published: June 3, 2026 at 11:01 AM UTC
Updated: July 22, 2026 at 07:24 PM UTC
1 product affected across 1 vendorSWUpdate
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Severity
HIGH7.3
Exploit prediction
EPSS 0.1%
SSVC
PoC
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Third Party Advisory
Source: cverecord
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOUPatch
Source: cverecord
https://github.com/sbabic/swupdate/commit/f4bd64260e233e207354d68d572b1cbc3e63689dSSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.3HIGHsba-research
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-367
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