CVE-2026-85522valkey-io valkey Slot Migration cluster_migrateslots.c createSlotImportJob out-of-bounds
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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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-125, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
valkey-io valkey valkey-io:valkey | 9.0; 9.1.0; 9.5.0; 9.5.1; 9.5.2; 9.5.3; 9.5.4; 9.0.5 not affected; and 1 more ranges | CNA record |
References
- https://vuldb.com/vuln/398707vdb-entry, technical-description
- https://vuldb.com/vuln/398707/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-85522third-party-advisory
- https://vuldb.com/submit/895119third-party-advisory
- https://github.com/valkey-io/valkey/issues/4207exploit, issue-tracking
- https://github.com/valkey-io/valkey/pull/4210issue-tracking, patch
- https://github.com/valkey-io/valkey/commit/f4dc3ca09eb650c2fe14060090a41c524eca803fpatch
- https://github.com/valkey-io/valkey/releases/tag/9.1.1patch
- https://github.com/valkey-io/valkey/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.