CVE-2026-15969

Published: Jul 30, 2026Modified: Aug 4, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Lmsys: Sglang

Lmsys

1 product

Sglang

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Lmsys Sglang	Up to 0.5.15

Related CWEs

CWE-502

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (2)

https://github.com/sgl-project/sglang/security/advisories/GHSA-2wvm-gjg7-5jfm

Source: cret@cert.org

Broken Link

https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

Source: cret@cert.org

Third Party AdvisoryMitigation

Timeline

No history available yet.