Is org.apache.shiro:shiro-core affected by CVE-2026-23901?

Maven org.apache.shiro:shiro-core is affected in <2.1.0.

Is CVE-2026-23901 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

low

CVE-2026-23901

Q: Is CVE-2026-23901 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Maven · org.apache.shiro:shiro-core

Summary

Apache Shiro Affected by an Observable Timing Discrepancy Vulnerability

Severity: low
EPSS: 0.2% (p12)
Also known as: GHSA-c4qc-4q9p-m9q9
Published: 2026-02-10

References

https://nvd.nist.gov/vuln/detail/CVE-2026-23901
https://github.com/apache/shiro
https://lists.apache.org/thread/mm1jct9b86jvnh3y44tj22xvjtx3xhhh

Related advisories

CVE-2016-4437 — critical · Maven/org.apache.shiro:shiro-core
CVE-2026-49268 — high · Maven/org.apache.shiro:shiro-core
CVE-2023-46749 — medium · Maven/org.apache.shiro:shiro-core

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.