PYSEC-2026-537

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/sglang/PYSEC-2026-537.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-537
Aliases
Published
2026-06-29T11:50:44.656805Z
Modified
2026-07-01T20:23:04.995548Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
SGLang's encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disaggregation module
Details

SGLang's encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disaggregation module, which deserializes untrusted data using pickle.loads() without authentication.

References

Affected packages

PyPI / sglang

Package

Name
sglang
View open source insights on deps.dev
Purl
pkg:pypi/sglang

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.10

Affected versions

0.*
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.9
0.1.10
0.1.11
0.1.12
0.1.13
0.1.14
0.1.15
0.1.16
0.1.17
0.1.18
0.1.19
0.1.20
0.1.21
0.1.22
0.1.24
0.1.25
0.1.26
0.2.0
0.2.1
0.2.2
0.2.3
0.2.4
0.2.5
0.2.6
0.2.7
0.2.8
0.2.9
0.2.9.post1
0.2.10
0.2.11
0.2.12
0.2.13
0.2.14
0.2.14.post1
0.2.14.post2
0.2.15
0.3.0
0.3.1
0.3.1.post1
0.3.1.post2
0.3.1.post3
0.3.2
0.3.3
0.3.3.post1
0.3.4
0.3.4.post1
0.3.4.post2
0.3.5
0.3.5.post1
0.3.5.post2
0.3.6
0.3.6.post1
0.3.6.post2
0.3.6.post3
0.4.0
0.4.0.post1
0.4.0.post2
0.4.1
0.4.1.post1
0.4.1.post2
0.4.1.post3
0.4.1.post4
0.4.1.post5
0.4.1.post6
0.4.1.post7
0.4.2
0.4.2.post1
0.4.2.post2
0.4.2.post3
0.4.2.post4
0.4.3
0.4.3.post1
0.4.3.post2
0.4.3.post3
0.4.3.post4
0.4.4
0.4.4.post1
0.4.4.post2
0.4.4.post3
0.4.4.post4
0.4.5
0.4.5.post1
0.4.5.post2
0.4.5.post3
0.4.6
0.4.6.post1
0.4.6.post2
0.4.6.post3
0.4.6.post4
0.4.6.post5
0.4.7
0.4.7.post1
0.4.8
0.4.8.post1
0.4.9
0.4.9.post1
0.4.9.post2
0.4.9.post3
0.4.9.post4
0.4.9.post5
0.4.9.post6
0.4.10
0.4.10.post1
0.4.10.post2
0.5.0rc0
0.5.0rc1
0.5.0rc2
0.5.1
0.5.1.post1
0.5.1.post2
0.5.1.post3
0.5.2rc0
0.5.2rc1
0.5.2rc2
0.5.2
0.5.3rc0
0.5.3rc2
0.5.3
0.5.3.post1
0.5.3.post2
0.5.3.post3
0.5.4
0.5.4.post1
0.5.4.post2
0.5.4.post3
0.5.5
0.5.5.post1
0.5.5.post2
0.5.5.post3
0.5.6
0.5.6.post1
0.5.6.post2
0.5.7
0.5.8
0.5.8.post1
0.5.9
0.5.10rc0

Database specific

source 
"https://github.com/pypa/advisory-database/blob/main/vulns/sglang/PYSEC-2026-537.yaml"
last_known_affected_version_range 
"<= 0.5.9"