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CVE-2026-15976

Quick assessment

Affected
SGLang SGLang
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

sglang sglang是sglang的大语言模型推理引擎。 sgl-project sglang v0.5.15及之前版本存在反序列化注入漏洞，该漏洞源于在/update_weights_from_disk中，torch.load的weights_only=False回退导致pickle反序列化.bin文件，可能导致远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SGLang SGLang ≤ v0.5.15 affected
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I. Basic Information for CVE-2026-15976

Vulnerability Information
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Vulnerability Title
CVE-2026-15976
Source: CVE Program / CVE List V5
Vulnerability Description
SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically within the /update_weights_from_disk, where torch.load(..., weights_only=False) fallback enables pickle deserialization of .bin files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
sgl-project sglang 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sglang sglang是sglang的大语言模型推理引擎。 sgl-project sglang v0.5.15及之前版本存在反序列化注入漏洞，该漏洞源于在/update_weights_from_disk中，torch.load的weights_only=False回退导致pickle反序列化.bin文件，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SGLang SGLang 0 ~ v0.5.15 -

II. Public POCs for CVE-2026-15976

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-15976

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Vendor Advisories for CVE-2026-15976 (1)

Same Patch Batch · SGLang · 2026-07-30 · 6 CVEs total

CVE-2026-15974 CVE-2026-15974
CVE-2026-15969 CVE-2026-15969
CVE-2026-15977 CVE-2026-15977
CVE-2026-15971 CVE-2026-15971
CVE-2026-15978 CVE-2026-15978

IV. Related Vulnerabilities

Same product: SGLang
Same vendor: SGLang

V. Comments for CVE-2026-15976

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