BleachBit for Windows Has DLL Untrusted Path Vulnerability

published 2025-04-15 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14702

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

BleachBit cleans files to free disk space and to maintain privacy. BleachBit for Windows up to version 4.6.2 is vulnerable to a DLL Hijacking vulnerability. By placing a malicious DLL with the name uuid.dll in the folder C:\Users\<username>\AppData\Local\Microsoft\WindowsApps\, an attacker can execute arbitrary code every time BleachBit is run. This issue has been patched in version 4.9.0.

Patch / fix

fixed in 1 links 1

bleachbit bleachbit 4.9.0

github.com/bleachbit/bleachbit@dafeba5 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-15)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

bleachbit bleachbit

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

Sources

CVE List CVE-2025-32780
NVD CVE-2025-32780

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary