CVE-2026-68006
An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the...
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
9.1
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
- Record
CVE-2026-68006- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
EUVDEUVD-2026-75664
9.1
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
- Record
EUVD-2026-75664- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8vmp-v4pm-x3hq
9.1
An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the...
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
- Record
GHSA-8vmp-v4pm-x3hq- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
NVD
9.1
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
- Record
CVE-2026-68006- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-444
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-68006
9.1
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
- Record
DEBIAN-CVE-2026-68006- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-68006
9.1
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
- Record
UBUNTU-CVE-2026-68006- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pumaDebian:12 |
All versions, plus listed versions 5.6.5-35.6.5-3+deb12u15.6.5-45.6.7-16.0.2-1 Show 20 moreShow less6.4.0-16.4.0-26.4.0-36.4.0-46.4.2-16.4.2-26.4.2-36.4.2-46.4.2-56.4.2-66.4.3-16.4.3-26.4.3-36.6.0-16.6.0-26.6.0-36.6.0-48.0.2-18.0.2-28.0.2-3 |
None known |
pumaDebian:13 |
All versions, plus listed versions 6.6.0-48.0.2-18.0.2-28.0.2-3 |
None known |
pumaDebian:14 |
All versions, plus listed versions 6.6.0-48.0.2-18.0.2-28.0.2-3 |
None known |
pumaUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 3.12.0-2ubuntu13.12.0-4ubuntu13.12.4-1ubuntu23.12.4-1ubuntu2+esm13.12.4-1ubuntu2+esm2 |
None known |
pumaUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 4.3.6-1ubuntu45.5.2-2ubuntu25.5.2-2ubuntu2+esm15.5.2-2ubuntu2+esm2 |
None known |
pumaUbuntu:24.04:LTS |
All versions, plus listed versions 5.6.5-4ubuntu25.6.5-4ubuntu36.4.2-4ubuntu16.4.2-4ubuntu36.4.2-4ubuntu46.4.2-4ubuntu4.3 |
None known |
pumaUbuntu:26.10 |
All versions, plus listed versions 6.6.0-4build18.0.2-3build1 |
None known |
pumaUbuntu:26.04:LTS |
All versions, plus listed versions 6.6.0-46.6.0-4build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-68006 is a critical vulnerability (CVSS 9.1) in puma, published September 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. No source names a fixed version.