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CVE-2026-90698

5.3 · MEDIUM

A security flaw has been discovered in memcached 1.6.41/1.6.42/1.6.43.

Published Sep 14, 2026CWE-119EPSS 0.86%

Overview

CVE-2026-90698 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A security flaw has been discovered in memcached 1.6.41/1.6.42/1.6.43. This vulnerability affects the function try_read_command_asciiauth of the file proto_text.c of the component mcmc Tokenizer. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.44 is able to resolve this issue. The patch is identified as af05c9302bba508b736c3da1d5670f63fe8b7db4. You should upgrade the affected component.

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

GitHubgithub.com/memcached/memcached/GitHubgithub.com/memcached/memcached/commit/af05c9302bba508b736c3da1d5670f63fe8b7db4GitHubgithub.com/memcached/memcached/releases/tag/1.6.44Refprotectiv.ph/research/memcached-asciiauth-empty-line-dosRefvuldb.com/cve/CVE-2026-90698Refvuldb.com/submit/916217Refvuldb.com/submit/916219Refvuldb.com/vuln/403231Refvuldb.com/vuln/403231/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-90698?

CVE-2026-90698 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-90698?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-90698?

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-2026-90698?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90698 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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