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Security Advisories

CGA-9fxh-663f-9vmv

Package

filebeat-8.19

Component

github.com/elastic/beats/v7

Latest update

Not affected

Aliases

Severity

5.7

Medium

CVSS V3

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References

  • https://nvd.nist.gov/vuln/detail/CVE-2026-26931
  • https://github.com/advisories/GHSA-5vrw-qjxw-89r5
  • https://pkg.go.dev/vuln/GO-2026-4790

Updates

Status

Not affected

Justification

Vulnerable code not present

Impact

Scanner false positive due to Go pseudo-version ordering. The beats binary embeds github.com/elastic/beats/v7 with pseudo-versions in the format v7.0.0-<timestamp>-<hash>+dirty. The GHSA fix version uses v7.0.0-alpha2.0.<timestamp>-<hash>. In Go semver, numeric pre-release identifiers sort lower than alphanumeric, so all beats pseudo-versions appear vulnerable regardless of actual content. The fix (max decoding length enforcement in Prometheus remote_write, upstream PR #48218) was cherry-picked to this branch and is present in the built binary.

Status

Under investigation

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