CVE-2025-68925 Jervis has a JWT Algorithm Confusion Vulnerability
Attackers can bypass authentication in Jervis by exploiting JWT algorithm confusion, allowing unauthorized access to Jenkins pipeline scripts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-68925?
CVE-2025-68925 is a medium-severity authentication bypass vulnerability in samrocketman jervis, published on 13 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Jervis is a library for Job DSL plugin scripts and shared Jenkins pipeline libraries. Prior to 2.2, the code doesn't validate that the JWT header specifies "alg":"RS256". This vulnerability is fixed in 2.2.
Weakness: CWE-347
Which versions are affected by CVE-2025-68925?
2 open source packages ship an affected version, including net.gleske:jervis. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
net.gleske:jervis Maven | All versions | 2.2 |
net.gleske:jervis Maven | All versions | 2.2 |
Products include Samrocketman Jervis.
How do I fix CVE-2025-68925?
Upgrade net.gleske:jervis to 2.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-68925 being exploited?
There is no known exploitation of CVE-2025-68925 in the wild and no public exploit code.
Other vulnerabilities in samrocketman jervis
- CVE-2025-68698 Jervis has an RSA PKCS#1 v1.5 Padding Vulnerability
- CVE-2025-68701 Jervis has Deterministic AES IV Derivation from Passphrase
- CVE-2025-68702 Jervis has a SHA-256 Hex String Padding Bug
- CVE-2025-68703 Jervis has a Salt for PBKDF2 derived from password
- CVE-2025-68931 Jervis has AES CBC Mode Without Authentication
Sources
Also known as GHSA-5pq9-5mpr-jj85.