CVE-2026-25129: PsySH has Local Privilege Escalation via CWD .psysh.php auto-load

medium Affects psy/psysh. Feed 2026.10.29.1, updated 2026-10-28; published 2026-01-30; advisory modified 2026-02-03.

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

Package: psy/psysh Composer
Affected versions: >=0.12.0 and <0.12.19 or <0.11.23
Fixed in: 0.12.19, 0.11.23
Severity: medium CVSS 6.7
Exploitation: not on CISA KEV · EPSS 0% (25.1th percentile)
Published: 2026-01-30
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2026-109618 KEV critical Upload-progress use-after-free and remote process-memory disclosure also from 2026
CVE-2026-109619 KEV critical Fatal-error backtrace use-after-free and OPcache type confusion also from 2026
CVE-2026-9082 KEV critical Drupal core includes a database abstraction API to ensure that queries executed against th also from 2026
CVE-2026-63030 KEV critical WordPress 6.9.x before 6.9.5 and 7.0.x before 7.0.2 is affected by a REST API batch endpoi also from 2026
CVE-2026-60137 KEV medium WordPress 6.8.x before 6.8.6, 6.9.x before 6.9.5, and 7.0.x before 7.0.2 does not properly also from 2026
CVE-2026-33478 critical AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, also from 2026