NIST deprecates RSA-2048 from 2030. Find every one of them before attackers do.
☕
☕ Maven
Not in CISA KEV
MEDIUM severity

CVE-2018-1999036 — ssh-agent

MEDIUMFix: jenkinsci/ssh-agent-plugin@3a8abe1

CVE-2018-1999036 is a medium-severity (CVSS 6.5) CWE-532 vulnerability in org.jenkins-ci.plugins:ssh-agent. A fix is available for org.jenkins-ci.plugins:ssh-agent — see the affected versions and patch details below.

Jenkins SSH Agent Plugin exposes SSH private key password to users with permission to read the build log

Also known asGHSA-wwgx-94v6-fc2p
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs72th percentile — riskier than 72% of all scored CVEsHighest risk
0.00%0.62%1.25%1.87%0.2%1.4%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:ssh-agent

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

An exposure of sensitive information vulnerability exists in Jenkins SSH Agent Plugin 1.15 and earlier in SSHAgentStepExecution.java that exposes the SSH private key password to users with permission to read the build log. As of version 1.16, the plugin no longer logs the ssh-add invocation that would reveal the passphrase.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:ssh-agentall versions1.16org.jenkins-ci.plugins:ssh-agent:1.16

Affected Products

1 product · 1 configurations
Application
ssh agentjenkins
≤ 1.15
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:ssh-agent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:ssh-agent to 1.16 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1999036 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

An exposure of sensitive information vulnerability exists in Jenkins SSH Agent Plugin 1.15 and earlier in SSHAgentStepExecution.java that exposes the SSH private key password to users with permission to read the build log. As of version 1.16, the plugin no longer logs the ssh-add invocation that would reveal the passphrase.
O3 Security · Impact-Aware SCA

Is CVE-2018-1999036 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works
CVE-2018-1999036: ssh-agent — Fixed in 1.16