High · published January 13, 2026
⚡ A tiny miscalculation in the Jervis library could spell trouble for your Jenkins pipelines! 🤖 Think of it like using a small toolbox for a big job; if you don’t have the right tools, you might end up with a project that’s half-finished and messy. Jervis is trying to pad a SHA-256 hash to 32 bytes when it should be stretching it to 64 bytes - it’s like trying to fit a king-sized quilt into a twin-sized bed! If exploited, this vulnerability could lead to data integrity issues in your pipeline outputs. Attackers could manipulate job identifiers, potentially causing chaos in your CI/CD process and allowing incorrect job execution. It's a high-risk situation that could disrupt your continuous integration workflow!
Think of it like using a small toolbox for a big job; if you don’t have the right tools, you might end up with a project that’s half-finished and messy. Jervis is trying to pad a SHA-256 hash to 32 bytes when it should be stretching it to 64 bytes - it’s like trying to fit a king-sized quilt into a twin-sized bed! This vulnerability arises from Jervis using padLeft(32, '0') instead of the correct padLeft(64, '0') for SHA-256 hashes, which can lead to hash collisions. This flaw can disrupt the validity of job identifiers within Jenkins pipelines prior to version 2.2.
If exploited, this vulnerability could lead to data integrity issues in your pipeline outputs. Attackers could manipulate job identifiers, potentially causing chaos in your CI/CD process and allowing incorrect job execution. It's a high-risk situation that could disrupt your continuous integration workflow! To protect your Jenkins environment, immediately upgrade Jervis to version 2.2 or later. Review your job scripts to ensure they correctly implement SHA-256 hashing, and consider auditing your pipeline configurations for any anomalies. You've got this! Fix this oversight and your Jenkins pipelines will be running smoothly in no time! 🛡️