Vulnerability · Published Sep 10, 2026 · Assigned by mitre
CVE-2026-68006
Critical 9.1
In plain English
A critical-severity security flaw in the puma package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/puma_http11/http11_parser.rl file
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | puma | no fix listed | DEBIAN-CVE-2026-68006 |
| Debian:13 | puma | no fix listed | DEBIAN-CVE-2026-68006 |
| Debian:14 | puma | no fix listed | DEBIAN-CVE-2026-68006 |
| Ubuntu:24.04:LTS | puma | no fix listed | UBUNTU-CVE-2026-68006 |
| Ubuntu:26.04:LTS | puma | no fix listed | UBUNTU-CVE-2026-68006 |
| Ubuntu:26.10 | puma | no fix listed | UBUNTU-CVE-2026-68006 |
Affected products (as reported)
Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N