CVE-2026-66373

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-25. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — Patch released this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: Elevated riskExposed: 0

A fix is available — apply it.

Redis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, allows remote code execution via a RESTORE payload where the same NACK (pending entry) is referenced by more than one consumer, because deleting both consumers via XGROUP DELCONSUMER leads to a double free. NOTE: this issue exists because of an incomplete fix for CVE-2026-25243.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
50(Track*)
EG Risk 50/100SSVC: 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
Severity75% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

July 25, 2026

Last Modified

September 9, 2026

Advisory Details (5)

Auto-updated Jul 25, 2026
Patch available. Sources: github_pr.
generic

Chaofan Shou on X: "Kimi K3 exploited the latest Redis server with a 0day it discovered. All it took was 27min with 32 agents. https://t.co/ZOKA2wchLa https://t.co/0sIeYgfg65" / X

https://x.com/Fried_rice/status/2080059356322918777
generic

Kimi K3 exploited the latest Redis server | Hacker News

https://news.ycombinator.com/item?id=49024938
github_pr Patch Available

Reject corrupt stream RDB with shared NACK across consumers

Patch available: redis/redis 8.8-m03 (PR #15081 merged 2026-04-23)

https://github.com/redis/redis/pull/15081
generic

Comparing 8.6.4...8.8.0 · redis/redis · GitHub

https://github.com/redis/redis/compare/8.6.4...8.8.0
generic

GitHub - berabuddies/redis-poc: RCE PoC for Redis 6.2.22, 7.4.9, 8.6.4, 8.8.0 · GitHub

https://github.com/berabuddies/redis-poc

Vendor Advisories for CVE-2026-66373(8)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatvalkey-0:8.0.11-1.el10_02026-09-17redhat
redhatredis-0:6.2.24-1.el9_62026-09-14redhat
redhatredis:6-8100020260821173603.489197e62026-09-08redhat
redhatredis-0:6.2.24-1.el9_82026-09-08redhat
redhatredis:7-9080020260821173335.92026-09-08redhat
redhatvalkey-0:8.0.10-1.el9_82026-09-08redhat
redhatvalkey-0:8.0.11-1.el10_22026-09-08redhat
redhatvalkey-main-9.0.5-0.1.hum12026-07-22redhat

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
redis5:6.0.15-1 ... 5:6.0.16-1~bpo11+1 (12 versions)5:6.0.16-1+deb11u9—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
redis5:7.0.11-1 ... 5:7.0.15-1~deb12u8 (16 versions)5:7.0.15-1~deb12u9—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
redis5:8.0.2-3 ... 5:8.6.3-1 (11 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
redis5:8.0.2-3 ... 5:8.6.3-1 (9 versions)——

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 28× in last 7d / 125× 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.

Showing the most recent 100 of 262 total refreshes for this CVE.

  1. 2026-09-18 22:27 UTCEG score recompute
  2. 2026-09-18 22:27 UTCVendor advisory
  3. 2026-09-18 22:27 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 02:55 UTCEG score recompute
  6. 2026-09-18 02:55 UTCVendor advisory
  7. 2026-09-18 02:55 UTCGHSA enrichment
  8. 2026-09-17 01:57 UTCEG score recompute
  9. 2026-09-17 01:57 UTCVendor advisory
  10. 2026-09-17 01:57 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 06:38 UTCEG score recompute
  13. 2026-09-16 06:38 UTCVendor advisory
  14. 2026-09-16 06:38 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 09:33 UTCEG score recompute
  17. 2026-09-15 09:33 UTCVendor advisory
  18. 2026-09-15 09:33 UTCGHSA enrichment
  19. 2026-09-14 05:45 UTCVendor advisory
  20. 2026-09-14 05:45 UTCGHSA enrichment
  21. 2026-09-13 17:35 UTCEG score recompute
  22. 2026-09-13 17:35 UTCVendor advisory
  23. 2026-09-13 17:35 UTCGHSA enrichment
  24. 2026-09-13 05:24 UTCVendor advisory
  25. 2026-09-13 05:24 UTCGHSA enrichment
Show 75 more
  1. 2026-09-12 17:13 UTCEG score recompute
  2. 2026-09-12 17:13 UTCVendor advisory
  3. 2026-09-12 17:13 UTCGHSA enrichment
  4. 2026-09-12 05:02 UTCVendor advisory
  5. 2026-09-12 05:02 UTCGHSA enrichment
  6. 2026-09-11 16:34 UTCEG score recompute
  7. 2026-09-11 16:34 UTCVendor advisory
  8. 2026-09-11 16:34 UTCGHSA enrichment
  9. 2026-09-11 14:53 UTCEPSS rescore
  10. 2026-09-11 09:37 UTCEPSS rescore
  11. 2026-09-11 02:29 UTCVendor advisory
  12. 2026-09-11 02:29 UTCGHSA enrichment
  13. 2026-09-10 13:33 UTCEG score recompute
  14. 2026-09-10 13:33 UTCVendor advisory
  15. 2026-09-10 13:33 UTCGHSA enrichment
  16. 2026-09-09 16:19 UTCVendor advisory
  17. 2026-09-09 16:19 UTCGHSA enrichment
  18. 2026-09-09 08:42 UTCEG score recompute
  19. 2026-09-09 08:42 UTCVendor advisory
  20. 2026-09-09 08:42 UTCGHSA enrichment
  21. 2026-09-08 22:01 UTCEPSS rescore
  22. 2026-09-07 21:23 UTCEG score recompute
  23. 2026-09-07 21:23 UTCVendor advisory
  24. 2026-09-07 21:23 UTCGHSA enrichment
  25. 2026-09-07 16:01 UTCEPSS rescore
  26. 2026-09-06 13:47 UTCEPSS rescore
  27. 2026-09-06 08:07 UTCVendor advisory
  28. 2026-09-06 08:07 UTCGHSA enrichment
  29. 2026-09-05 19:22 UTCEG score recompute
  30. 2026-09-05 19:22 UTCVendor advisory
  31. 2026-09-05 19:22 UTCGHSA enrichment
  32. 2026-09-05 15:31 UTCEPSS rescore
  33. 2026-09-05 06:52 UTCEG score recompute
  34. 2026-09-05 06:52 UTCVendor advisory
  35. 2026-09-05 06:52 UTCGHSA enrichment
  36. 2026-09-04 12:43 UTCEG score recompute
  37. 2026-09-04 12:43 UTCVendor advisory
  38. 2026-09-04 12:43 UTCGHSA enrichment
  39. 2026-09-04 05:07 UTCEPSS rescore
  40. 2026-09-02 14:12 UTCEPSS rescore
  41. 2026-09-01 23:15 UTCEG score recompute
  42. 2026-09-01 23:15 UTCVendor advisory
  43. 2026-09-01 23:15 UTCGHSA enrichment
  44. 2026-09-01 13:54 UTCEPSS rescore
  45. 2026-09-01 04:40 UTCEPSS rescore
  46. 2026-08-31 00:41 UTCEG score recompute
  47. 2026-08-31 00:41 UTCVendor advisory
  48. 2026-08-31 00:41 UTCGHSA enrichment
  49. 2026-08-30 19:17 UTCEPSS rescore
  50. 2026-08-30 12:30 UTCEG score recompute
  51. 2026-08-30 12:30 UTCVendor advisory
  52. 2026-08-30 12:30 UTCGHSA enrichment
  53. 2026-08-30 01:22 UTCEPSS rescore
  54. 2026-08-30 00:14 UTCEG score recompute
  55. 2026-08-30 00:14 UTCVendor advisory
  56. 2026-08-30 00:14 UTCGHSA enrichment
  57. 2026-08-28 21:42 UTCEPSS rescore
  58. 2026-08-27 23:21 UTCEG score recompute
  59. 2026-08-27 23:21 UTCVendor advisory
  60. 2026-08-27 23:21 UTCGHSA enrichment
  61. 2026-08-27 11:10 UTCVendor advisory
  62. 2026-08-27 11:10 UTCGHSA enrichment
  63. 2026-08-26 22:55 UTCEG score recompute
  64. 2026-08-26 22:55 UTCVendor advisory
  65. 2026-08-26 22:55 UTCGHSA enrichment
  66. 2026-08-26 14:47 UTCEPSS rescore
  67. 2026-08-26 10:44 UTCVendor advisory
  68. 2026-08-26 10:44 UTCGHSA enrichment
  69. 2026-08-25 22:33 UTCEG score recompute
  70. 2026-08-25 22:33 UTCVendor advisory
  71. 2026-08-25 22:33 UTCGHSA enrichment
  72. 2026-08-25 13:49 UTCEPSS rescore
  73. 2026-08-25 10:21 UTCVendor advisory
  74. 2026-08-25 10:21 UTCGHSA enrichment
  75. 2026-08-24 22:10 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-66373?
CVE-2026-66373 is a high vulnerability published on July 25, 2026. Redis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, allows remote code execution via a RESTORE payload where the same NACK (pending entry) is referenced by more than one consumer, because deleting both consumers via XGROUP DELCONSUMER leads to a double free.…
When was CVE-2026-66373 disclosed?
CVE-2026-66373 was first published in the National Vulnerability Database on July 25, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66373 actively exploited?
CVE-2026-66373 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.7% of all scored CVEs.
What is the CVSS score of CVE-2026-66373?
CVE-2026-66373 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-66373?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66373, 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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