An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker…
Priority HIGH 73CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01294 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | com.alibaba.nacos:nacos-spring-context (Maven) | up to 1.1.1 | — | No fix listed | GHSA-v6c8-pwhq-288m |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.alibaba.nacos:nacos-spring-context (Maven) Vendor— Affected up to 1.1.1 Fixed in — No fix listed GHSA-v6c8-pwhq-288m
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:alibabacloud:nacos_spring_project:*:*:*:*:*:*:*:* | up to 1.1.1 | Vulnerable | Alibabacloud |
- cpe:2.3:a:alibabacloud:nacos_spring_project:*:*:*:*:*:*:*:* Versions up to 1.1.1 Vulnerable ·Alibabacloud
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39106
- 2026-10-03 Alias added: GHSA-v6c8-pwhq-288m
References
Sources
- CVE-2023-39106 · CVE Program
- CVE-2023-39106 · NVD
- FIRST EPSS
- GHSA-v6c8-pwhq-288m · GitHub Advisory Database · CC BY 4.0
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