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CVE-2026-82821

4.3 · MEDIUM

A vulnerability was determined in FLVMeta up to 1.2.2.

Published Aug 31, 2026CWE-404EPSS 0.58%

Overview

CVE-2026-82821 is a medium-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was determined in FLVMeta up to 1.2.2. Affected by this vulnerability is the function amf_object_get of the file src/amf.c of the component AMF Object Parsing. This manipulation causes null pointer dereference. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 52642f7dfb76ec7334016622dde60b1ae963d79b. To fix this issue, it is recommended to deploy a patch. The project maintainer doubts the security impact: "While I acknowledged the bugs and provided fixes, I have yet to see any way to exploit these alleged vulnerabilities."

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/noirotm/flvmeta/commit/52642f7dfb76ec7334016622dde60b1ae963d79bGitHubgithub.com/noirotm/flvmeta/issues/28GitHubgithub.com/raind20001020/Poc/blob/main/flvmeta_SEGVRefvuldb.com/cve/CVE-2026-82821Refvuldb.com/submit/876597Refvuldb.com/vuln/397244Refvuldb.com/vuln/397244/ctiGitHubgithub.com/noirotm/flvmeta/issues/28Refvuldb.com/submit/876597

How CyberStrike helps

Frequently asked questions

What is CVE-2026-82821?

CVE-2026-82821 is a medium-severity vulnerability. It was published on August 31, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-82821?

This vulnerability has a CVSS 3.1 base score of 4.3, 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-2026-82821?

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-2026-82821?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-82821 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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