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PYSEC-2026-2039

MediumCVSS 4.9 / 10
Published Jul 7, 2026·Last modified Jul 7, 2026
Affected Components(0)

No affected components available

Description

Impact

The verification of the second factor was not subject to rate limiting. The absence of rate limiting on the second factor endpoint allows an attacker with valid credentials to automate OTP guessing.

Patches

This issue has been addressed in Weblate 5.12 via https://github.com/WeblateOrg/weblate/pull/14918.

References

Thanks to obscuredeer for reporting this issue at HackerOne.

Risk Scores
Base Score
4.9

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
4.5

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.22%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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