CVE-2026-10051: jetty Information Disclosure

Description

In Eclipse Jetty, a first HTTP/1.1 request with trailers causes the server to retain the trailers in subsequent requests performed over the same connection. Subsequent request that do not have trailers report the trailers of the first request. Subsequent request that do have trailers report the union of trailers of the first request and the current request.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.17%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
eclipse	jetty	12.0.0 — 12.0.36
eclipse	jetty	12.1.0 — 12.1.10

References

Advisories & Patches

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/119

Exploits

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/119

Frequently Asked Questions

What is CVE-2026-10051? +

In Eclipse Jetty, a first HTTP/1.1 request with trailers causes the server to retain the trailers in subsequent requests performed over the same connection. Subsequent request that do not have trailers report the trailers of the first request. Subsequent request that do have trailers report the union of trailers of the first request and the current request. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-10051? +

CVE-2026-10051 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-10051? +

CVE-2026-10051 affects products from eclipse, specifically: jetty. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-10051? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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