CVE-2026-26933
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Packetbeat does not properly validate an array index in multiple protocol parser components in github.com/elastic/beats
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/elastic/beats/v7 | <7.0.0-alpha2.0.20260126223743-dec1b31111ec | 7.0.0-alpha2.0.20260126223743-dec1b31111ec |
| Go | github.com/elastic/beats | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-26933
- https://github.com/elastic/beats/commit/941098459db6556b837194f40c076b08d51137cb
- https://github.com/elastic/beats/commit/dec1b31111ec3500b82db21ba67dde5c914ee94d
- https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-11/385533
- https://github.com/elastic/beats
- https://github.com/advisories/GHSA-27qj-9gvp-8rh9
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.