Vulnerability details

CVE-2026-15969

SGLang SGLang

CVE-2026-15969

CVSS 3.1
9.8Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
SGLang SGLang v ≤ v0.5.15 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-07-30
Last updated
2026-07-31
State
Published
Assigner (CNA)
certcc

Exploit prediction (EPSS)

1.02%
Probability of exploitation in 30 days
63.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-502
    Deserialization of Untrusted Data