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CVE-2025-54422VulnerabilityPublished

CVE-2025-54422: Sandboxie · Cleartext Storage of Sensitive Information

Affects SandboxieSource CVE Database V5

0

Not known to be exploited · CVSS 6.9 Medium : upgrade to 1.16.2 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.07% 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 1.16.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 2026-10-25.

What to do

Upgrade sandboxie-plus/Sandboxie to 1.16.2.

Affected software

ProductAffectedFixed in
GitHubsandboxie-plus/Sandboxiepkg:github/sandboxie-plus/SandboxieOther threatsAffected
  • <1.16.2
Fixed in
  • 1.16.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

European organizations should immediately upgrade all Sandboxie installations to version 1.16.2 or later to ensure the vulnerability is patched. Until upgrades are complete, restrict access to user sessions and limit the execution of untrusted or unprivileged processes that could attempt to read command-line arguments or shared memory. Employ endpoint detection and response (EDR) solutions to monitor for suspicious process behavior indicative of credential harvesting. Additionally, implement strict user session isolation policies and consider using alternative sandboxing solutions with stronger credential handling if immediate patching is not feasible. Regularly audit sandbox configurations and password management practices to ensure no plaintext credentials are exposed. Finally, educate users and administrators about the risks of running untrusted code within sandbox environments and the importance of timely patching.

Description

Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions 1.16.1 and below, a critical security vulnerability exists in password handling mechanisms. During encrypted sandbox creation, user passwords are transmitted via shared memory, exposing them to potential interception. The vulnerability is particularly severe during password modification operations, where both old and new passwords are passed as plaintext command-line arguments to the Imbox process without any encryption or obfuscation. This implementation flaw allows any process within the user session, including unprivileged processes, to retrieve these sensitive credentials by reading the command-line arguments, thereby bypassing standard privilege requirements and creating a significant security risk. This is fixed in version 1.16.2.

References

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