Nameko through 2.13.0 can be tricked into performing arbitrary code execution when deserializing the config file.
Priority LOW 37CWE-502Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
Nameko through 2.13.0 can be tricked into performing arbitrary code execution when deserializing the config file.
Why it matters now
EPSS 0.01537 75th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed nameko (PyPI): 2.14.0, 3.0.0rc10
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | nameko (PyPI) | before 2.14.0 | 2.14.0 | Patch available | GHSA-6p52-jr3q-c94g |
| — | nameko (PyPI) | 3.0.0rc0 to before 3.0.0rc10 | 3.0.0rc10 | Patch available | GHSA-6p52-jr3q-c94g |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- nameko (PyPI) Vendor— Affected before 2.14.0 Fixed in 2.14.0 Patch available GHSA-6p52-jr3q-c94g
- nameko (PyPI) Vendor— Affected 3.0.0rc0 to before 3.0.0rc10 Fixed in 3.0.0rc10 Patch available GHSA-6p52-jr3q-c94g
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nameko:nameko:*:*:*:*:*:*:*:* | up to 2.13.0 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc1:*:*:*:*:*:* | 3.0.0 rc1 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc2:*:*:*:*:*:* | 3.0.0 rc2 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc3:*:*:*:*:*:* | 3.0.0 rc3 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc4:*:*:*:*:*:* | 3.0.0 rc4 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc5:*:*:*:*:*:* | 3.0.0 rc5 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc6:*:*:*:*:*:* | 3.0.0 rc6 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc7:*:*:*:*:*:* | 3.0.0 rc7 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc8:*:*:*:*:*:* | 3.0.0 rc8 | Vulnerable | Nameko |
| cpe:2.3:a:nameko:nameko:3.0.0:rc9:*:*:*:*:*:* | 3.0.0 rc9 | Vulnerable | Nameko |
- cpe:2.3:a:nameko:nameko:*:*:*:*:*:*:*:* Versions up to 2.13.0 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc1:*:*:*:*:*:* Versions 3.0.0 rc1 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc2:*:*:*:*:*:* Versions 3.0.0 rc2 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc3:*:*:*:*:*:* Versions 3.0.0 rc3 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc4:*:*:*:*:*:* Versions 3.0.0 rc4 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc5:*:*:*:*:*:* Versions 3.0.0 rc5 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc6:*:*:*:*:*:* Versions 3.0.0 rc6 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc7:*:*:*:*:*:* Versions 3.0.0 rc7 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc8:*:*:*:*:*:* Versions 3.0.0 rc8 Vulnerable ·Nameko
- cpe:2.3:a:nameko:nameko:3.0.0:rc9:*:*:*:*:*:* Versions 3.0.0 rc9 Vulnerable ·Nameko
Remediation
- Fix · GHSA-6p52-jr3q-c94g nameko (PyPI) Fixed in 2.14.0 Advisory →
- Fix · GHSA-6p52-jr3q-c94g nameko (PyPI) Fixed in 3.0.0rc10 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41078
- 2026-10-03 Alias added: GHSA-6p52-jr3q-c94g
References
Sources
- CVE-2021-41078 · CVE Program
- CVE-2021-41078 · NVD
- FIRST EPSS
- GHSA-6p52-jr3q-c94g · GitHub Advisory Database · CC BY 4.0
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