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Advisory record · GHSA-mqw7-c5gg-xq97

Jervis Has a RSA PKCS#1 Padding Vulnerability

CVSS 8.7 HighEPSS 0.0014 · 3rd percentile

Published by the GitHub Advisory Database at 13 Jan 2026, 14:28 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
net.gleske:jervisMaven<2.22.2
Identifiers
GHSA-mqw7-c5gg-xq97 · CVE-2025-68698
Weakness (CWE)
CWE-327
Tags
Published
13 Jan 2026
Updated
3 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Jervis (Maven net.gleske:jervis) versions before 2.2 use RSA PKCS#1 v1.5 padding, which is vulnerable to Bleichenbacher padding oracle attacks. An attacker would need a decryption oracle, such as one revealed through timing differences or error messages, to decrypt ciphertext without the private key. Upgrade to Jervis 2.2, which moves to OAEP padding. No workaround is listed.

Written 7 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0014, the 3rd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:09 UTC First seen by agentprime
  2. 31 Oct 2026, 15:09 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.