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Back to active CVEs
High · CVSS 7.1CVE-2026-74045

Wazuh 3.12.0 before 4.14.8 Heap Buffer Overflow in wazuh-analysisd FIM DecoderCVE-2026-74045

Answer in brief

CVE-2026-74045 records a High severity (CVSS 7.1) vulnerability in Wazuh 3.12.0 before 4.14.8 Heap Buffer Overflow in wazuh-analysisd FIM Decoder. The current sources do not mark it as known exploited. The current feed maps Wazuh/wazuh-manager (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Wazuh/wazuh-manager (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Wazuh/wazuh-managergeneric>=3.12.0 <4.14.84.14.8

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Wazuh/wazuh-manager.
  2. 2Review the reported fix. Update Wazuh/wazuh-manager to 4.14.8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where full_log is sized from input but written bounded by OS_MAXSTR. An enrolled agent can send a crafted FIM syscheck event to corrupt manager heap memory and deterministically crash wazuh-analysisd, causing a fleet-wide detection outage.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Wazuh 4.0.0 before 4.14.8 authd.pass Disclosure via Agent 000 Config EndpointSame wazuh/wazuh-manager package
  • Wazuh 4.0.0 before 4.14.8 API Brute-Force Protection Bypass via Race ConditionSame wazuh/wazuh-manager package
  • Wazuh 4.1.1 before 4.14.8 Path Traversal via Cluster get_list_fileSame wazuh/wazuh-manager package
  • MediaAgent Denial of ServiceAlso CWE-122
  • UEFI OOB Write and Buffer Overflow VulnerabilitiesSame generic ecosystem
  • UEFI OOB Write and Buffer Overflow VulnerabilitiesSame generic ecosystem

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-122
Source
CVE List V5
Source checked
Oct 13, 2026
References
3 linked sources
Open source record