Read the docs
TI-2026-13379 Aliases CVE-2026-15977GHSA-vwmc-327h-6x3j

Insufficiently protected credentials in SGLang

Priority HIGH 72CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-522.

Summary

SGLang contains a credential leakage vulnerability in the /server_info endpoint, which will return API keys and SSL keyfile information when only the --admin-api-key is configured.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00414 35th 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
Yes
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-2026-15977
  2. 2026-10-03 Alias added: GHSA-vwmc-327h-6x3j

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