CVE-2026-15969

CriticalCVSS 9.8/10Last modified Aug 4, 2026

Description

SGLang contains an unauthenticated RCE in /load_lora_adapter_from_tensors via bypass of SafeUnpickler’s incomplete denylist, allowing arbitrary command execution through crafted base64-encoded pickle payloads.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
SGLang	SGLang	<= v0.5.15

References

https://github.com/sgl-project/sglang/security/advisories/GHSA-2wvm-gjg7-5jfmBroken Link
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/Third Party Advisory, Mitigation

Timeline

Published: Jul 30, 2026
Last modified: Aug 4, 2026
NVD status: Analyzed

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