CVE-2026-0529 describes an Improper Validation of Array Index vulnerability (CWE-129) in Packetbeat's MongoDB protocol parser. This flaw allows an unauthenticated attacker on the adjacent network to trigger an Overflow Buffer (CAPEC-100) by sending specially crafted network traffic to a monitored interface with MongoDB parsing enabled. Rated as MEDIUM severity (CVSS 6.5), the vulnerability has a high availability impact but no confidentiality or integrity impact. While there is no known active exploitation, public exploit code, or KEV entry, the CVE has garnered significant community discussion with 10 mentions, indicating notable attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0.0, <= 7.17.29CPE match | cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:* | ||
>= 8.0.0, <= 8.19.9CPE match | cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:* | ||
>= 9.0.0, <= 9.1.9CPE match | cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:* | ||
>= 9.2.0, <= 9.2.3CPE match | cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.