CVE-2026-26081
A remote, anonymous attacker can exploit multiple vulnerabilities in HAProxy Enterprise, Community and ALOHA to conduct a Denial of Service attack.
CSIRTS triage
- What
- Multiple vulnerabilities allow Denial of Service.
- Who is affected
- A remote, anonymous attacker can exploit these vulnerabilities in HAProxy.
- Urgency
- Remediation is medium urgency as it can lead to service disruption.
- Action
- Update HAProxy to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-26081
Get an email if CVE-2026-26081 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[UPDATE] [medium] HAProxy Enterprise, Community and ALOHA (QUIC): Multiple vulnerabilities allow Denial of Ser…cert-bund · 2026-07-22
- mediumCVE-2026-26081: HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN …nvd · 2026-07-20
- mediumCVE-2026-26081: HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN …msrc · 2026-07-14
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-26081)