CVE-2026-85522

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-04. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

A fix is available — apply it.

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 v3
5.3
EG Score
5.3(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
42%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (5)

Auto-updated Sep 4, 2026
Patch available. Sources: github_commit, github_pr, github_release.
github_release Patch Available

9.1.1

Patch available: valkey-io/valkey 9.1.1

https://github.com/valkey-io/valkey/releases/tag/9.1.1
github_pr

Check and reject invalid slot import job names

Fix merged in valkey-io/valkey PR #4210 on 2026-07-21 — awaiting tagged release

https://github.com/valkey-io/valkey/pull/4210
generic

[SECURITY] `RDB_OPCODE_SLOT_IMPORT` short job_name causes server-side `heap out-of-bounds read` during startup RDB loading · Issue #4207 · valkey-io/valkey · GitHub

https://github.com/valkey-io/valkey/issues/4207
github_commit

commit f4dc3ca09eb6 (valkey-io/valkey)

Fix landed in valkey-io/valkey commit f4dc3ca09eb6 — awaiting tagged release

https://github.com/valkey-io/valkey/commit/f4dc3ca09eb650c2fe14060090a41c524eca803f
generic

GitHub - valkey-io/valkey: A flexible distributed key-value database that is optimized for caching and other realtime workloads. · GitHub

https://github.com/valkey-io/valkey/

Vendor Advisories for CVE-2026-85522(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuvalkey-tools (9.0.4-0ubuntu0.2) @ resolute2026-09-19ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
valkey8.1.1+dfsg1-3 ... 9.1.1-1 (6 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
valkey8.1.1+dfsg1-3, 8.1.4+dfsg1-1, 8.1.4+dfsg1-2, 9.1.1-1——

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 24× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 01:54 UTCEG score recompute
  2. 2026-09-19 01:54 UTCVendor advisory
  3. 2026-09-19 01:54 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 03:02 UTCEG score recompute
  6. 2026-09-18 03:02 UTCVendor advisory
  7. 2026-09-18 03:02 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 04:10 UTCEG score recompute
  10. 2026-09-17 04:10 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 05:17 UTCEG score recompute
  13. 2026-09-16 05:17 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 06:25 UTCEG score recompute
  16. 2026-09-15 06:25 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 07:33 UTCEG score recompute
  20. 2026-09-14 07:33 UTCGHSA enrichment
  21. 2026-09-13 08:41 UTCEG score recompute
  22. 2026-09-13 08:41 UTCGHSA enrichment
  23. 2026-09-12 09:49 UTCEG score recompute
  24. 2026-09-12 09:49 UTCGHSA enrichment
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 25 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 10:57 UTCEG score recompute
  3. 2026-09-11 10:57 UTCGHSA enrichment
  4. 2026-09-10 12:05 UTCEG score recompute
  5. 2026-09-10 12:05 UTCGHSA enrichment
  6. 2026-09-09 13:11 UTCEG score recompute
  7. 2026-09-09 13:11 UTCGHSA enrichment
  8. 2026-09-08 22:01 UTCEPSS rescore
  9. 2026-09-08 14:19 UTCEG score recompute
  10. 2026-09-08 14:18 UTCGHSA enrichment
  11. 2026-09-07 14:44 UTCGHSA enrichment
  12. 2026-09-06 14:06 UTCEG score recompute
  13. 2026-09-06 14:06 UTCGHSA enrichment
  14. 2026-09-06 13:48 UTCEPSS rescore
  15. 2026-09-05 15:31 UTCEPSS rescore
  16. 2026-09-05 15:14 UTCEG score recompute
  17. 2026-09-05 15:14 UTCGHSA enrichment
  18. 2026-09-04 16:22 UTCNVD updateCVSS v4 → 5.5
  19. 2026-09-04 16:20 UTCEG score recompute
  20. 2026-09-04 16:20 UTCGHSA enrichment
  21. 2026-09-04 16:19 UTCMITRE cvelistV5CVSS v4 → 6.9
  22. 2026-09-04 14:19 UTCEG score recompute
  23. 2026-09-04 14:18 UTCNVD updateCVSS v4 → 5.5
  24. 2026-09-04 13:54 UTCEG score recompute
  25. 2026-09-04 13:53 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-85522?
CVE-2026-85522 is a medium vulnerability published on September 4, 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/clustermigrateslots.c of the component Slot Migration. The manipulation of the argument jobname results in out-of-bounds read. The attack can be…
When was CVE-2026-85522 disclosed?
CVE-2026-85522 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85522 actively exploited?
CVE-2026-85522 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 58.4% of all scored CVEs.
What is the CVSS score of CVE-2026-85522?
CVE-2026-85522 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-85522?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85522, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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