How severe is CVE-2026-32935?

CVE-2026-32935 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-32935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32935?

CVE-2026-32935 affects Phpseclib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-32935 have an EU (EUVD) identifier?

Yes. CVE-2026-32935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13507.

When was CVE-2026-32935 published?

CVE-2026-32935 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-32935

CVE-2026-32935 is a medium-severity vulnerability in Phpseclib with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-208.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 8.2
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13507
Weakness: CWE-208
Affected product: Phpseclib
Published: 2026-03-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-32935?: 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.
How severe is CVE-2026-32935?: CVE-2026-32935 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-32935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32935?: CVE-2026-32935 affects Phpseclib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-32935 have an EU (EUVD) identifier?: Yes. CVE-2026-32935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13507.
When was CVE-2026-32935 published?: CVE-2026-32935 was published on 2026-03-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*

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