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CVE-2026-92386

8.1 · HIGH

When writing a long cookie name and value to a Netscape cookie jar, a remote HTTP server can make `curl` write a record that exceeds its line-length parsing limit.

Published Oct 20, 2026CWE-1284EPSS 0.83%

Overview

CVE-2026-92386 is a high-severity vulnerability. It was published on October 20, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

When writing a long cookie name and value to a Netscape cookie jar, a remote

HTTP server can make `curl` write a record that exceeds its line-length

parsing limit. Consequently, any subsequent `curl` invocation reading from

that same cookie jar using `--cookie` silently aborts parsing prematurely upon

encountering the too long line, ignoring all subsequent valid cookies in the

file.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcurl.se/docs/CVE-2026-92386.htmlRefcurl.se/docs/CVE-2026-92386.jsonRefhackerone.com/reports/4021979Refhackerone.com/reports/4021979

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92386?

CVE-2026-92386 is a high-severity vulnerability. It was published on October 20, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-92386?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-92386?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-92386?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92386 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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