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Advisory record · GHSA-c3fc-8qff-9hwx

Bouncy Castle has an LDAP injection

CVSS 5.5 MediumEPSS 0.0053 · 44th percentile

Published by the GitHub Advisory Database at 17 Apr 2026, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.bouncycastle:bcprov-jdk14Maven>=1.74, <1.841.84
org.bouncycastle:bcprov-jdk15to18Maven>=1.74, <1.841.84
org.bouncycastle:bcprov-jdk18onMaven>=1.74, <1.841.84
Identifiers
GHSA-c3fc-8qff-9hwx · CVE-2026-0636
Weakness (CWE)
CWE-90
Tags
Published
17 Apr 2026
Updated
10 Sept 2026

Machine-written summary

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

Bouncy Castle's bcprov-jdk14, bcprov-jdk15to18 and bcprov-jdk18on packages, versions 1.74 up to 1.84, are affected by an LDAP injection flaw in the LDAPStoreHelper component. The source gives few details about the attack conditions or impact. Upgrade to version 1.84 or later.

Written 2 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
5.5 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/S:N/AU:Y/R:A/RE:M/U:Amber CNA (bcorg)
  • CISA KEV Not listed.
  • EPSS 0.0053, the 44th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 17 Apr 2026, 18:31 UTC Confirmed by GitHub Advisory Database
  2. 31 Oct 2026, 14:17 UTC First seen by agentprime
  3. 31 Oct 2026, 14:17 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.