Is psy/psysh affected by CVE-2026-25129?

Packagist psy/psysh is affected in >=0.12.0 <0.12.19, <0.11.23.

Is CVE-2026-25129 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-25129

Q: Is CVE-2026-25129 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Packagist · psy/psysh

Summary

PsySH has Local Privilege Escalation via CWD .psysh.php auto-load

Severity: medium
EPSS: 0.3% (p20)
Also known as: GHSA-4486-gxhx-5mg7
Published: 2026-01-30

References

https://github.com/bobthecow/psysh/security/advisories/GHSA-4486-gxhx-5mg7
https://nvd.nist.gov/vuln/detail/CVE-2026-25129
https://github.com/bobthecow/psysh

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.