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Vulnerabilities

Vulnerability · CVE-2026-3059

SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without

Published Mar 12, 2026 · catalog updated Jun 17, 2026 · SGLang

Last checked Nov 13, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-3059. EPSS is 1.76%. Act only if a listed version of SGLang is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.76%
Remediation
Advisory link
Affected products
cpe lmsys/sglang · vendor SGLang sglang 0.5.10

SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe lmsys/sglangversion unspecified
  • vendor SGLang sglang 0.5.100.5.10

How to fix CVE-2026-3059

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-3059. EPSS is 1.76%. Act only if a listed version of SGLang is installed.

Which versions are affected?

Compare what you have installed with SGLang sglang 0.5.10 0.5.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 1.76%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 12, 2026 · NIST NVD

    Detected

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

  2. Jun 17, 2026 · NIST NVD

    Updated

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

Sources

  • CVE.orgVulnerability recordCVE-2026-3059

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3059

    30-day exploitation probability 1.76%

    first.org
  • EUVDVulnerability recordEUVD-2026-11557

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2026-3059

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 7, 2026
  • EUVDNov 7, 2026
  • CVE.orgOct 16, 2026
  • NIST NVDOct 15, 2026