AUGUST 4, 2026
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Case File

CVE-2021-27186

HIGH · CVSS 7.5 EPSS 1.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-10 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-27186
Severity
HIGH
CVSS
7.5
EPSS
1.99%

Original NVD Description

Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.