CVE-2026-34527: Sandboxie · Use of Weak Hash
Affects SandboxieSource CVE Database V5
Not known to be exploited · CVSS 2.0 Low : upgrade to 1.17.3 when convenient.
Data as of 2 Nov 2026, 22:58 UTC
- EPSS
- 0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.17.3
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 5 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade Sandboxie and sandboxie-plus/Sandboxie to 1.17.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| sandboxie-plusSandboxie | Affected
| Fixed in
|
GitHubsandboxie-plus/Sandboxiepkg:github/sandboxie-plus/SandboxieOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Sandboxie-Plus to version 1.17.3 or later, where the password hashing issue has been fixed. Since the vendor advisory does not provide additional remediation details, applying this update is the recommended action. Patch status is not explicitly stated but the fix is included in version 1.17.3.
Description
Sandboxie-Plus versions 1.17.2 and earlier contain a weakness in the password hashing implementation where the SHA-1 digest is incorrectly converted to hexadecimal, reducing the effective entropy of stored password hashes from 160 bits to 80 bits. This issue is compounded by the use of an unsalted SHA-1 hash. The vulnerability makes brute-forcing leaked or backed-up password hashes easier. The issue has been fixed in version 1.17.3. The CVSS score is low, reflecting limited impact and exploitability.