Is CVE-2026-38967 in the CISA KEV catalog?

No. CVE-2026-38967 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-38967?

CVE-2026-38967 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2026-38967?

CVE-2026-38967 has an EPSS score of 0.33% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-38967?

No published fix for CVE-2026-38967 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-38967

CRITICAL

9.8

CVSS v3

NVD

Description

CrowCpp Crow through v1.3.1 HTTP is vulnerable to response header injection via unvalidated response header values.

CWE-113

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-113 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-37436	Medium	5.3	58%	-	Fix
CVE-2024-52875	High	8.8	29%	-	-
CVE-2016-5699	Medium	6.1	10%	-	Fix
CVE-2016-8024	High	8.1	8.7%	-	-
CVE-2017-17742	Medium	5.3	5.8%	-	Fix
CVE-2016-5325	Medium	6.1	4.1%	-	Fix

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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 2026-06-04.