Deserialization of untrusted data in SGLang
Priority MEDIUM 49CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00399 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7301
- 2026-10-03 Alias added: GHSA-gwv6-pq6m-p3rq
References
More Sglang vulnerabilities
- TI-2026-13378 Deserialization of untrusted data in SGLang CVSS 3.1CRITICAL 9.8
- TI-2026-13373 SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled… CVSS 3.1CRITICAL 9.8
- TI-2026-05050 Code injection in SGLang CVSS 3.1CRITICAL 9.8
- TI-2026-02644 Deserialization of untrusted data in SGLang CVSS 3.1CRITICAL 9.8
- TI-2026-02643 Deserialization of untrusted data in SGLang CVSS 3.1CRITICAL 9.8
- TI-2026-13380 Missing authentication in SGLang CVSS 3.1HIGH 7.5
Sources
- CVE-2026-7301 · CVE Program
- CVE-2026-7301 · NVD
- FIRST EPSS
- GHSA-gwv6-pq6m-p3rq · GitHub Advisory Database · CC BY 4.0
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