Valkey Io Valkey
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By the Year
In 2026 there have been 4 vulnerabilities in Valkey Io Valkey with an average score of 4.0 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 4 | 4.03 |
It may take a day or so for new Valkey vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Valkey Io Valkey Security Vulnerabilities
Valkey 9.1.1 OOB Read: kvstoreGetHashtable, kvstore.c
CVE-2026-86227
2.3 - Low
- September 06, 2026
A weakness has been identified in valkey-io valkey up to 9.0.5/9.1.1. This affects the function kvstoreGetHashtable of the file src/kvstore.c. This manipulation of the argument didx causes out-of-bounds read. It is possible to initiate the attack remotely. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been made available to the public and could be used for attacks. Patch name: 4691888e7fab3df128f0bde5750c9fde2ae552fa. To fix this issue, it is recommended to deploy a patch. Exploitation requires cluster mode plus attacker-controlled dump.rdb at startup (data-dir write access, replication feed, or a stored crafted RDB) - an attacker-position DoS at boot, not network pre-auth. The issue report was closed stating it "is worth fixing for the sake of memory safety but I don't think it meets our bar for a security disclosure."
Out-of-bounds Read
Valkey pre-9.5.4/9.1 OOB Read in Slot Migration (createSlotImportJob)
CVE-2026-85522
6.9 - Medium
- September 04, 2026
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.
Out-of-bounds Read
Valkey 9.1.0 Double Free in Module Timer Subsystem (Remote)
CVE-2026-82677
4.8 - Medium
- August 31, 2026
A vulnerability was determined in valkey-io valkey 9.1.0. Impacted is the function moduleTimerHandler of the file src/module.c of the component Module Timer Subsystem. This manipulation causes double free. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b349fe2821e3998534b1454c1b64a478daf8c6b7. To fix this issue, it is recommended to deploy a patch.
Double-free
Valkey 9.1.0 UAF in Blocked-on-Keys Subsystem
CVE-2026-82631
2.1 - Low
- August 31, 2026
A security flaw has been discovered in valkey-io valkey 9.1.0. The affected element is the function handleClientsBlockedOnKey of the file src/blocked.c of the component Blocked-on-keys Subsystem. The manipulation results in use after free. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is described as difficult. The exploit has been released to the public and may be used for attacks. The patch is identified as b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20b. Applying a patch is advised to resolve this issue.
Dangling pointer
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