Jooby SessionStoreImpl Deserialization Vulnerability – fixed in 2.17.0/3.7.0
CVE-2025-31129 Published on March 31, 2025
jooby-pac4j: deserialization of untrusted data
Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).
Vulnerability Analysis
CVE-2025-31129 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2025-31129 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2025-31129
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Affected Versions
jooby-project jooby:- Version >= 3.0.0.M1, < 3.7.0 is affected.
- Version < 2.17.0 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2025-31129
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| maven | io.jooby:jooby-pac4j | < 2.17.0 | 2.17.0 |
| maven | io.jooby:jooby-pac4j | >= 3.0.0.M1, < 3.7.0 | 3.7.0 |
Exploit 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.