CVE-2026-57218

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 54% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.5Exploit: Elevated riskExposed: 0

A fix is available — apply it.

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after the channel user state changes. This issue is fixed in version 4.2.6.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 13, 2026

Advisory Details (6)

Auto-updated Jul 10, 2026
🔬 Proof of concept available. Patch available. Sources: github_release, github, github_commit, github_pr.
github Patch Available🟡 PoC Available

AMQP 0-9-1 in combination with OAuth 2: consumer persistence can lead to post-revocation message disclosure · Advisory · rabbitmq/rabbitmq-server · GitHub

https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-wmrr-4h5v-5ch7
github_release Patch Available

RabbitMQ 4.2.6

Patch available: rabbitmq/rabbitmq-server v4.2.6

https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6
github_pr

AMQP 0-9-1: clear permissions cache and re-validate consumer permissions immediately when the connection secret changes (backport #16092) (backport #16093)

Fix merged in rabbitmq/rabbitmq-server PR #16097 on 2026-04-15 — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-server/pull/16097
github_pr

AMQP 0-9-1: clear permissions cache and re-validate consumer permissions immediately when the connection secret changes

Fix merged in rabbitmq/rabbitmq-server PR #16092 on 2026-04-14 — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-server/pull/16092
github_commit

commit db20d6c0fcf3 (rabbitmq/rabbitmq-server)

Fix landed in rabbitmq/rabbitmq-server commit db20d6c0fcf3 — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-server/commit/db20d6c0fcf3056030f244b5adab0d45c0db0c9e
github_commit

commit 501ad947cd6b (rabbitmq/rabbitmq-server)

Fix landed in rabbitmq/rabbitmq-server commit 501ad947cd6b — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-server/commit/501ad947cd6bbcc9486fe96e0d073992bfe52cc4

Vendor Advisories for CVE-2026-57218(2)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrabbitmq-server4-2-main-4.2.8-1.hum12026-07-06redhat
redhatrabbitmq-server4-3-main-4.3.2-1.hum12026-07-06redhat

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
rabbitmq-server3.10.8-1 ... 4.3.2-4 (38 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rabbitmq-server3.10.8-1.1 ... 4.3.2-4 (27 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rabbitmq-server4.0.5-10 ... 4.3.2-4 (17 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
rabbitmq-server4.0.5-10 ... 4.3.0-1 (9 versions)4.3.0-2—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 52× 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 142 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 05:17 UTCEG score recompute
  3. 2026-09-18 05:17 UTCVendor advisory
  4. 2026-09-17 19:31 UTCEPSS rescore
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-15 03:11 UTCEPSS rescore
  8. 2026-09-14 10:28 UTCEG score recompute
  9. 2026-09-14 10:28 UTCVendor advisory
  10. 2026-09-13 16:47 UTCEPSS rescore
  11. 2026-09-13 08:11 UTCEG score recompute
  12. 2026-09-13 08:11 UTCVendor advisory
  13. 2026-09-12 02:49 UTCEG score recompute
  14. 2026-09-12 02:49 UTCVendor advisory
  15. 2026-09-11 14:53 UTCEPSS rescore
  16. 2026-09-10 09:35 UTCEPSS rescore
  17. 2026-09-08 22:01 UTCEPSS rescore
  18. 2026-09-08 02:45 UTCEG score recompute
  19. 2026-09-08 02:45 UTCVendor advisory
  20. 2026-09-07 16:01 UTCEPSS rescore
  21. 2026-09-06 13:47 UTCEPSS rescore
  22. 2026-09-05 21:40 UTCEG score recompute
  23. 2026-09-05 21:40 UTCVendor advisory
  24. 2026-09-04 05:07 UTCEPSS rescore
  25. 2026-09-02 14:12 UTCEPSS rescore
Show 75 more
  1. 2026-09-01 13:54 UTCEPSS rescore
  2. 2026-09-01 04:40 UTCEPSS rescore
  3. 2026-08-30 19:17 UTCEPSS rescore
  4. 2026-08-30 06:14 UTCEG score recompute
  5. 2026-08-30 06:14 UTCVendor advisory
  6. 2026-08-30 01:22 UTCEPSS rescore
  7. 2026-08-28 21:42 UTCEPSS rescore
  8. 2026-08-27 21:40 UTCEG score recompute
  9. 2026-08-27 21:40 UTCVendor advisory
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-26 14:46 UTCEPSS rescore
  12. 2026-08-26 03:32 UTCEG score recompute
  13. 2026-08-26 03:32 UTCVendor advisory
  14. 2026-08-25 13:49 UTCEPSS rescore
  15. 2026-08-24 22:38 UTCEG score recompute
  16. 2026-08-24 22:38 UTCVendor advisory
  17. 2026-08-23 20:49 UTCEG score recompute
  18. 2026-08-23 20:49 UTCVendor advisory
  19. 2026-08-23 00:19 UTCEPSS rescore
  20. 2026-08-22 19:00 UTCEG score recompute
  21. 2026-08-22 19:00 UTCVendor advisory
  22. 2026-08-21 23:49 UTCEPSS rescore
  23. 2026-08-21 17:00 UTCEG score recompute
  24. 2026-08-21 17:00 UTCVendor advisory
  25. 2026-08-20 22:55 UTCEPSS rescore
  26. 2026-08-20 15:11 UTCEG score recompute
  27. 2026-08-20 15:11 UTCVendor advisory
  28. 2026-08-19 17:04 UTCEPSS rescore
  29. 2026-08-19 12:29 UTCEG score recompute
  30. 2026-08-19 12:29 UTCVendor advisory
  31. 2026-08-18 13:48 UTCEPSS rescore
  32. 2026-08-18 10:40 UTCEG score recompute
  33. 2026-08-18 10:40 UTCVendor advisory
  34. 2026-08-17 13:47 UTCEPSS rescore
  35. 2026-08-17 06:04 UTCEG score recompute
  36. 2026-08-17 06:04 UTCVendor advisory
  37. 2026-08-16 14:56 UTCEPSS rescore
  38. 2026-08-16 04:10 UTCEG score recompute
  39. 2026-08-16 04:10 UTCVendor advisory
  40. 2026-08-16 02:14 UTCEPSS rescore
  41. 2026-08-15 02:21 UTCEG score recompute
  42. 2026-08-15 02:21 UTCVendor advisory
  43. 2026-08-15 01:30 UTCEPSS rescore
  44. 2026-08-14 00:33 UTCEG score recompute
  45. 2026-08-14 00:33 UTCVendor advisory
  46. 2026-08-13 22:00 UTCEPSS rescore
  47. 2026-08-12 22:44 UTCEG score recompute
  48. 2026-08-12 22:44 UTCVendor advisory
  49. 2026-08-12 13:51 UTCEPSS rescore
  50. 2026-08-11 20:55 UTCEG score recompute
  51. 2026-08-11 20:55 UTCVendor advisory
  52. 2026-08-11 00:00 UTCEPSS rescore
  53. 2026-08-10 19:07 UTCVendor advisory
  54. 2026-08-09 17:18 UTCEG score recompute
  55. 2026-08-09 17:18 UTCVendor advisory
  56. 2026-08-09 13:46 UTCEPSS rescore
  57. 2026-08-08 16:37 UTCEPSS rescore
  58. 2026-08-08 15:30 UTCEG score recompute
  59. 2026-08-08 15:30 UTCVendor advisory
  60. 2026-08-07 13:41 UTCEG score recompute
  61. 2026-08-07 13:41 UTCVendor advisory
  62. 2026-08-06 13:47 UTCEPSS rescore
  63. 2026-08-06 11:52 UTCEG score recompute
  64. 2026-08-06 11:52 UTCVendor advisory
  65. 2026-08-05 19:17 UTCEPSS rescore
  66. 2026-08-05 10:03 UTCEG score recompute
  67. 2026-08-05 10:03 UTCVendor advisory
  68. 2026-08-04 15:10 UTCEPSS rescore
  69. 2026-08-04 10:39 UTCEPSS rescore
  70. 2026-08-04 08:05 UTCEG score recompute
  71. 2026-08-04 08:05 UTCVendor advisory
  72. 2026-08-03 10:36 UTCEPSS rescore
  73. 2026-08-03 04:30 UTCVendor advisory
  74. 2026-08-02 02:40 UTCEG score recompute
  75. 2026-08-02 02:40 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-57218?
CVE-2026-57218 is a medium vulnerability published on July 10, 2026. RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after…
When was CVE-2026-57218 disclosed?
CVE-2026-57218 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57218 actively exploited?
CVE-2026-57218 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 54.3% of all scored CVEs.
What is the CVSS score of CVE-2026-57218?
CVE-2026-57218 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-57218?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57218, 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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