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TI-2026-13376 Aliases CVE-2026-15974GHSA-hg26-hr8r-fxc9

Server-side request forgery in SGLang

Priority MEDIUM 62CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00358 29th 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
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SGLangSGLangup to v0.5.15—No fix listedCNA
  • SGLang VendorSGLang Affected up to v0.5.15 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*up to 0.5.15VulnerableSGLang
  • cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:* Versions up to 0.5.15 Vulnerable ·SGLang

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15974
  2. 2026-10-03 Alias added: GHSA-hg26-hr8r-fxc9

References

  • 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
See all 14 →

Sources