CVE-2026-38967

Name: CVE-2026-38967
Creator: NVD / NIST
Published: 2026-06-02T20:16:35.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2026-38967 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CrowCpp Crow through v1.3.1 HTTP is vulnerable to response header injection via unvalidated response header values.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.33%

25.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-113

References

Timeline

Published: Jun 2, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-38967?

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

How severe is CVE-2026-38967?

CVE-2026-38967 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2026-38967?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-38967?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST