Passbolt API before 5, if the server is misconfigured (with an incorrect installation…
Priority LOW 16CWE-348Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Passbolt API before 5, if the server is misconfigured (with an incorrect installation process and disregarding of Health Check results), can send email messages with a domain name taken from an attacker-controlled HTTP Host header.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00187 8th percentileScored 2026-11-07
Fix Fixed API (Passbolt): 5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA API (Passbolt) Fixed in 5
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27913
- 2026-10-03 Alias added: GHSA-28wr-h897-6hmv
References
More Passbolt Api vulnerabilities
- TI-2017-14656 Passbolt API version 1.6.4 and older are vulnerable to a XSS in the url field on the password workspace CVSS 3.0MEDIUM 5.4
- TI-2024-22254 Passbolt API before 4.6.2 allows HTML injection in a URL parameter, resulting in custom… CVSS 3.1MEDIUM 4.3
Sources
- CVE-2025-27913 · CVE Program
- CVE-2025-27913 · NVD
- FIRST EPSS
- GHSA-28wr-h897-6hmv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences