Is CVE-2026-32935 in the CISA KEV catalog?

No. CVE-2026-32935 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-32935?

CVE-2026-32935 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-32935?

CVE-2026-32935 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-32935?

Upgrade php-phpseclib on debian 12 to 2.0.42-1+deb12u3 or later.

CVE & CISA-KEV Catalog

CVE-2026-32935

MEDIUM

5.9

CVSS v3

NVD

Description

phpseclib is a PHP secure communications library. Projects using versions 0.1.1 through 1.0.26, 2.0.0 through 2.0.51, and 3.0.0 through 3.0.49 are vulnerable to a to padding oracle timing attack when using AES in CBC mode. This issue has been fixed in versions 1.0.27, 2.0.52 and 3.0.50.

CWE-208

How to fix

Remediation Available

php-phpseclibDebian

Fixed in:2.0.42-1+deb12u3CVE-2026-32935

Fixed in:2.0.48-3+deb13u1CVE-2026-32935

Fixed in:2.0.52-1CVE-2026-32935

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Patch2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-08.