vllm-project vLLM tiktoken vocab File mod.rs new denial of service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-90713
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-14 13:19:29 UTC
Updated2026-09-14 13:19:29 UTC
DescriptionA security flaw has been discovered in vllm-project vLLM up to 0.29.0. The affected element is the function TiktokenTokenizer::new of the file rust/src/text/src/backend/hf/mod.rs of the component tiktoken vocab File Handler. The manipulation results in denial of service. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

Risk And Classification

Primary CVSS: v4.0 1.9 LOW from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-404 | CWE-404 Denial of Service

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.9LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.0CNADECLARED3.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary1.7AV:L/AC:L/Au:S/C:N/I:N/A:P
2.0CNADECLARED1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Vllm-project VLLM affected 0.1 Not specified
CNA Vllm-project VLLM affected 0.2 Not specified
CNA Vllm-project VLLM affected 0.3 Not specified
CNA Vllm-project VLLM affected 0.4 Not specified
CNA Vllm-project VLLM affected 0.5 Not specified
CNA Vllm-project VLLM affected 0.6 Not specified
CNA Vllm-project VLLM affected 0.7 Not specified
CNA Vllm-project VLLM affected 0.8 Not specified
CNA Vllm-project VLLM affected 0.9 Not specified
CNA Vllm-project VLLM affected 0.10 Not specified
CNA Vllm-project VLLM affected 0.11 Not specified
CNA Vllm-project VLLM affected 0.12 Not specified
CNA Vllm-project VLLM affected 0.13 Not specified
CNA Vllm-project VLLM affected 0.14 Not specified
CNA Vllm-project VLLM affected 0.15 Not specified
CNA Vllm-project VLLM affected 0.16 Not specified
CNA Vllm-project VLLM affected 0.17 Not specified
CNA Vllm-project VLLM affected 0.18 Not specified
CNA Vllm-project VLLM affected 0.19 Not specified
CNA Vllm-project VLLM affected 0.20 Not specified
CNA Vllm-project VLLM affected 0.21 Not specified
CNA Vllm-project VLLM affected 0.22 Not specified
CNA Vllm-project VLLM affected 0.23 Not specified
CNA Vllm-project VLLM affected 0.24 Not specified
CNA Vllm-project VLLM affected 0.25 Not specified
CNA Vllm-project VLLM affected 0.26 Not specified
CNA Vllm-project VLLM affected 0.27 Not specified
CNA Vllm-project VLLM affected 0.28 Not specified
CNA Vllm-project VLLM affected 0.29.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/submit/918762 [email protected] vuldb.com
vuldb.com/vuln/403267 [email protected] vuldb.com
gist.github.com/Yunzez/4b08ec3568a8cbfb120062e2558382b8 [email protected] gist.github.com
vuldb.com/vuln/403267/cti [email protected] vuldb.com
github.com/vllm-project/vllm/pull/51135 [email protected] github.com
github.com/vllm-project/vllm/issues/50954 [email protected] github.com
github.com/vllm-project/vllm [email protected] github.com
vuldb.com/cve/CVE-2026-90713 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Zyz3366 (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-13T00:00:00.000ZAdvisory disclosed
CNA2026-09-13T02:00:00.000ZVulDB entry created
CNA2026-09-13T11:46:02.000ZVulDB entry last update

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