CVE-2026-3059 json
CVE-2026-3059
published 2026-03-12 7 mo ago modified 2026-07-13 3 mo ago also GHSA-3cp7-c6q2-94xr , GHSA-rgq9-fqf5-fv58 , PYSEC-2026-539 , EUVD-2026-11557
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi sglang 0.5.10
- github.com/sgl-project/sglang#20904 pull request
- github.com/sgl-project/sglang/releases/tag/v0.5.10 release
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- orca.security https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | sglang | <0.5.10 |
0.5.10 |
Affected products
- SGLang SGLang
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/sgl-project/sglang/pull/20904
web
-
orca.security
/resources/blog/sglang-llm-framework-rce-vulnerabilities/
exploit, mitigation, third-party-advisory
-
github.com
/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
web, broken-link
-
github.com
/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py
web, product
-
github.com
/sgl-project/sglang/releases/tag/v0.5.10
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-3059
advisory
-
github.com
/sgl-project/sglang
package
-
orca.security
/resources/blog/sglang-llm-framework-rce-vulnerabilities
web
-
pypi.org
/project/sglang
package
-
github.com
/advisories/GHSA-rgq9-fqf5-fv58
advisory
Sources
- CVE List CVE-2026-3059
- GitHub Advisory GHSA-rgq9-fqf5-fv58
- NVD CVE-2026-3059
- OSV PYSEC-2026-539
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.