CVE-2026-32935: phpseclib's AES-CBC unpadding susceptible to padding oracle timing attack

high Affects phpseclib/phpseclib. Feed 2026.10.29.4, updated 2026-10-29; published 2026-03-19; advisory modified 2026-09-10.

phpseclib's AES-CBC unpadding susceptible to padding oracle timing attack

Package: phpseclib/phpseclib Composer
Affected versions: >=3.0.0 and <3.0.50 or >=2.0.0 and <2.0.52 or >=0.1.1 and <1.0.27
Fixed in: 3.0.50, 2.0.52, 1.0.27
Severity: high
Exploitation: not on CISA KEV · EPSS 0% (33.0th percentile)
Published: 2026-03-19
Source: osv.dev

References

CWE-208

NVD record phpseclib/phpseclib advisories

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