CVE-2026-26080CWE-252

CVE-2026-26080

Low · published July 20, 2026

CVSS v3.1
3.7
EPSS
1%
Percentile
45.0
In the wild
Unconfirmed
What it is

HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled. HAProxy Enterprise and ALOHA are also affected.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00546 · 45.0th percentile
Weakness
CWE-252 · Unchecked Return Value
Published
2026-07-20T20:16Z
Affected products (24)
ProductVersionsFixed in
haproxy/haproxy≥ 3.2, < 3.2.123.2.12
haproxy/haproxy≥ 3.3, < 3.3.33.3.3
haproxy/aloha≥ 17.0.0, < 17.0.1817.0.18
haproxy/aloha≥ 17.5.0, < 17.5.1617.5.16
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
haproxy/haproxy_enterpriseall versions—
References (2)
https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=5bb098ce8a656ec5711b4de3e4c87f12b216e7a1 · [email protected]https://www.haproxy.org · [email protected]
EPSS history
Timeline
  • 20 JUL 00:00Z
    HAProxy Community Edition 3.2.x through 3.3.x before 3.3.3 can enter a loop or crash because varint is mishandled
    cvelistv5