CryptPad 2FA bypass via path encoding before 2025.3.0
CVE-2025-49591 Published on June 18, 2025
CryptPad 2FA Bypass Vulnerability
CryptPad is a collaboration suite. Prior to version 2025.3.0, enforcement of Two-Factor Authentication (2FA) in CryptPad can be trivially bypassed, due to weak implementation of access controls. An attacker that compromises a user's credentials can gain access to the victim's account, even if the victim has 2FA set up. This is due to 2FA not being enforced if the path parameter is not 44 characters long, which can be bypassed by simply URL encoding a single character in the path. This issue has been patched in version 2025.3.0.
Weakness Types
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2025-49591 has been classified to as an Authorization vulnerability or weakness.
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2025-49591 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2025-49591
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Affected Versions
cryptpad Version < 2025.3.0 is affected by CVE-2025-49591Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.