CVE-2026-3059
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 authentication.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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 authentication.
- Record
CVE-2026-3059- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-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.
- Record
EUVD-2026-11557- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rgq9-fqf5-fv58
SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker
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.
- Record
GHSA-rgq9-fqf5-fv58- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-3059- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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 authentication.
- Record
CVE-2026-3059- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-rgq9-fqf5-fv58
SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker
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.
- Record
GHSA-rgq9-fqf5-fv58- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSVPYSEC-2026-539
SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker
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.
- Record
PYSEC-2026-539- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sglangPyPI |
through 0.5.9 | 0.5.10 |
sglangPyPI |
before 0.5.10, plus listed versions 0.1.100.1.110.1.120.1.130.1.14 Show 45 moreShow less0.1.150.1.160.1.170.1.180.1.190.1.200.1.210.1.220.1.240.1.250.1.260.1.30.1.40.1.50.1.60.1.70.1.90.2.00.2.10.2.100.2.110.2.120.2.130.2.140.2.14.post10.2.14.post20.2.150.2.20.2.30.2.40.2.50.2.60.2.70.2.80.2.90.2.9.post10.3.00.3.10.3.1.post10.3.1.post20.3.1.post30.3.20.3.30.3.3.post10.3.4 |
0.5.10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-3059 is a critical vulnerability (CVSS 9.8) in Lmsys Sglang, published March 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.76%, the 78th percentile. Fixed in sglang 0.5.10.
References
github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities
nvd.nist.gov/vuln/detail/CVE-2026-3059
Left out here: 92 versions. The JSON record has them.