A Host Header Injection vulnerability in the password reset component in levlaz braindump…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A Host Header Injection vulnerability in the password reset component in levlaz braindump v0.4.14 allows remote attackers to conduct password reset poisoning and account takeover via manipulation of the Host header when Flask's url_for(_external=True) generates reset links without a fixed SERVER_NAME.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-61132
- 2026-10-03 Alias added: GHSA-vr7m-2734-5h7w
References
Other 5
- https://portswigger.net/web-security/host-header/exploiting/password-reset-poisoning
- https://github.com/levlaz/braindump/blob/9640dd03f99851dbd34dd6cac98a747a4a591b01/app/auth/views.py#L131-L148
- https://github.com/levlaz/braindump/blob/9640dd03f99851dbd34dd6cac98a747a4a591b01/app/templates/auth/email/reset_password.html#L1-L8
- https://drive.google.com/file/d/1FmkctLdOTGMdy6GgLaTzfxemdVDeiA7J/view?usp=sharing
- https://gist.github.com/BrookeYangRui/94c3bee0c2cbc1ed81a21d4448550c21
Sources
- CVE-2025-61132 · CVE Program
- CVE-2025-61132 · NVD
- FIRST EPSS
- GHSA-vr7m-2734-5h7w · GitHub Advisory Database · CC BY 4.0
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