RCE in Bitwarden

CVE-2025-5138

A vulnerability was found in Bitwarden up to 2.25.1. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PDF File Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

  • N/a Bitwarden — versions 2.25.0, 2.25.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-5138?
CVE-2025-5138 is a low-severity vulnerability in Bitwarden, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2025-05-25.
How severe is CVE-2025-5138?
Low severity. CVSS v3 base score is 3.5 out of 10.