Is CVE-2026-32883 in the CISA KEV catalog?

No. CVE-2026-32883 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-32883?

CVE-2026-32883 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-32883?

CVE-2026-32883 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-32883?

Upgrade botan to 3.11.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-32883

MEDIUM

5.9

CVSS v3

NVD

Description

Botan is a C++ cryptography library. From version 3.0.0 to before version 3.11.0, during X509 path validation, OCSP responses were checked for an appropriate status code, but critically omitted verifying the signature of the OCSP response itself. This issue has been patched in version 3.11.0.

CWE-347

How to fix

Remediation Available

botanNVD

Affected:>= 3.0.0, < 3.11.0Fixed in:3.11.0CVE-2026-32883derived from NVD

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

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-347 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-16042	Medium	6.5	82%	-	-
CVE-2025-59718	Critical	9.8	66%	KEV	Fix
CVE-2025-25292	Critical	9.8	64%	-	Fix
CVE-2021-22160	Critical	9.8	53%	-	Fix
CVE-2013-3900	Medium	5.5	45%	KEV	-
CVE-2018-0114	High	7.5	43%	-	Fix

Embed a live status badge for CVE-2026-32883

Markdown

[![CVE-2026-32883](https://tridentstack.com/cve/badge/CVE-2026-32883.svg)](https://tridentstack.com/cve/CVE-2026-32883)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-32883"><img src="https://tridentstack.com/cve/badge/CVE-2026-32883.svg" alt="CVE-2026-32883"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2026-04-13.