CVE-2026-85522 Details
Description
A 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.
A vulnerability allowing for an out-of-bounds read has been identified in Valkey versions through 9.5.4 and 9.1.0. The issue arises in the Slot Migration component, specifically within the createSlotImportJob function in src/cluster_migrateslots.c. The vulnerability can be exploited remotely by manipulating the job_name argument, leading to a heap out-of-bounds read. This issue has been publicly disclosed and exploited.
Users are advised to upgrade to Valkey versions 9.0.5 or 9.1.1, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 4, 2026CISA-ADP
Assessed Sep 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/valkey-io/valkey/ | [email protected] | Vendor |
| https://github.com/valkey-io/valkey/commit/f4dc3ca09eb650c2fe14060090a41c524eca803f | [email protected] | Source CodeVendor |
| https://github.com/valkey-io/valkey/issues/4207 | [email protected] | Issue TrackingTechnical DescriptionVendor |
| https://github.com/valkey-io/valkey/pull/4210 | [email protected] | Issue TrackingVendor |
| https://github.com/valkey-io/valkey/releases/tag/9.1.1 | [email protected] | AdvisoryBundleRelease NotesVendor |
| https://vuldb.com/cve/CVE-2026-85522 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/895119 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/398707 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/398707/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| valkey-io valkey | <= 9.5.4 (semver) <= 9.1.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 4, 2026 | CVE Modified | CISA-ADP |
| Sep 4, 2026 | New CVE Received | [email protected] |