valkey-io valkey Slot Migration cluster_migrateslots.c createSlotImportJob out-of-bounds

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-85522
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 14:17:22 UTC
Updated2026-09-08 13:12:58 UTC
DescriptionA vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0. Affected by this vulnerability is the function createSlotImportJob of the file src/cluster_migrateslots.c of the component Slot Migration. The manipulation of the argument job_name results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 9.0.5 and 9.1.1 addresses this issue. The patch is identified as f4dc3ca09eb650c2fe14060090a41c524eca803f. Upgrading the affected component is advised.

Risk And Classification

Primary CVSS: v4.0 5.5 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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

EPSS: 0.004960000 probability, percentile 0.408220000 (date 2026-09-07)

Problem Types: CWE-119 | CWE-125 | CWE-125 Out-of-Bounds Read | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.5MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.0CNADECLARED5.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary5AV:N/AC:L/Au:N/C:N/I:N/A:P
2.0CNADECLARED5AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Valkey-io Valkey affected 9.0 Not specified
CNA Valkey-io Valkey affected 9.1.0 Not specified
CNA Valkey-io Valkey affected 9.5.0 Not specified
CNA Valkey-io Valkey affected 9.5.1 Not specified
CNA Valkey-io Valkey affected 9.5.2 Not specified
CNA Valkey-io Valkey affected 9.5.3 Not specified
CNA Valkey-io Valkey affected 9.5.4 Not specified
CNA Valkey-io Valkey unaffected 9.0.5 Not specified
CNA Valkey-io Valkey unaffected 9.1.1 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/398707 [email protected] vuldb.com
github.com/valkey-io/valkey/issues/4207 [email protected] github.com
vuldb.com/submit/895119 [email protected] vuldb.com
github.com/valkey-io/valkey/commit/f4dc3ca09eb650c2fe14060090a41c524eca803f [email protected] github.com
vuldb.com/vuln/398707/cti [email protected] vuldb.com
github.com/valkey-io/valkey/releases/tag/9.1.1 [email protected] github.com
github.com/valkey-io/valkey/pull/4210 [email protected] github.com
github.com/valkey-io/valkey [email protected] github.com
vuldb.com/cve/CVE-2026-85522 [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: VULL (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-04T00:00:00.000ZAdvisory disclosed
CNA2026-09-04T02:00:00.000ZVulDB entry created
CNA2026-09-04T10:02:24.000ZVulDB entry last update

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