Home

Description

A vulnerability was detected in sgl-project SGLang up to 0.5.9. Impacted is the function get_tokenizer of the file python/sglang/srt/utils/hf_transformers_utils.py of the component HuggingFace Transformer Handler. The manipulation results in deserialization. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-05-02 | Published 2026-05-02 | Updated 2026-05-02 | Assigner VulDB




MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
MEDIUM: 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
MEDIUM: 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
5.1AV:N/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR

Problem types

Deserialization

Improper Input Validation

Product status

0.5.0
affected

0.5.1
affected

0.5.2
affected

0.5.3
affected

0.5.4
affected

0.5.5
affected

0.5.6
affected

0.5.7
affected

0.5.8
affected

0.5.9
affected

Timeline

2026-05-02:Advisory disclosed
2026-05-02:VulDB entry created
2026-05-02:VulDB entry last update

Credits

ngould (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/360817 (VDB-360817 | sgl-project SGLang HuggingFace Transformer hf_transformers_utils.py get_tokenizer deserialization) vdb-entry technical-description

vuldb.com/vuln/360817/cti (VDB-360817 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/799263 (Submit #799263 | sgl-project sglang <=0.5.9 Protection Mechanism Failure) third-party-advisory

cve.org (CVE-2026-7669)

nvd.nist.gov (CVE-2026-7669)

Download JSON