PYSEC-2026-836

vendorUSosv

Denial of service vulnerability on Password reset page

view advisory published 2026-07-07Licence: CC-BY-4.0

### Impact Previous versions of Kiwi TCMS do not impose rate limits which makes it easier to attempt denial-of-service attacks against the Password reset page. An attacker could potentially send a large number of emails if they know the email addresses of users in Kiwi TCMS. Additionally that may strain SMTP resources. ### Patches Users should upgrade to v12.0 or later. ### Workarounds Users may install and configure a rate-limiting proxy in front of Kiwi TCMS such as Nginx and/or configure rate limits on their email server when possible. ### References [Disclosed by Ahmed Rabeaa Mosaa](https://huntr.dev/bounties/3b712cb6-3fa3-4f71-8562-7a7016c6262e)

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2023-25171USmedium5.9—
Kiwi TCMS, an open source test management system, does not impose rate limits in versions prior to 12.0. This makes it easier to attempt denial-of-service attacks against the Passw…
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references

External citations — patches, advisories, analysis.

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