CVE-2026-7304 | CVE-2026-7304

SGLangs multimodal generation runtime is vulnerable to unauthenticated remote code execution when the --enable-custom-logit-processor option is enabled, as Python objects loaded via dill.loads() will be deserialized without validation.

Published: 2026-05-18 Last update: 2026-05-19 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-7304 is rated Moderate Risk (61.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.43%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-7304

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-24 0.32% 0.43% +0.10%
2 2026-05-19 0.32%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-7304

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-7304

GitHub Security Advisory for CVE-2026-7304

GHSA-36m8-w8qf-g76p · Severity: critical · Ecosystem: pip — SGLang: Unauthenticated RCE via --enable-custom-logit-processor

Affected software / configurations for CVE-2026-7304

Vendor Product Version Raw CPE
lmsys sglang 0.5.10 cpe:2.3:a:lmsys:sglang:0.5.10:-:*:*:*:*:*:*

References for CVE-2026-7304

cvelogic Threat Intelligence