Is CVE-2026-38969 in the CISA KEV catalog?

No. CVE-2026-38969 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2026-38969?

CVE-2026-38969 has an EPSS score of 0.16% (6th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-38969?

Upgrade rust on rhel 8 to main@aarch64 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-38969

UNSCORED

NVD

Description

ruby webrick through v1.9.2 WEBrick reparses trailer Content-Length into canonical request state, enabling request smuggling.

How to fix

Remediation Available

rustRed Hat / RHEL

Fixed in:main@aarch64RHSA-2026:34975

Fixed in:main@x86_64RHSA-2026:34975

Fixed in:main@srcRHSA-2026:34975

Fixed in:main@noarchRHSA-2026:34975

rustRocky

Fixed in:main@aarch64RHSA-2026:34975

Fixed in:main@srcRHSA-2026:34975

Fixed in:main@noarchRHSA-2026:34975

Fixed in:main@x86_64RHSA-2026:34975

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

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Other references2

Embed a live status badge for CVE-2026-38969

Markdown

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HTML

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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 2026-07-02.