CVE-2026-69219

HIGHPre-NVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.7% (52nd percentile of EPSS-scored CVEs). 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, secondary
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.7%CVSS: 8.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.1, src/main/java/com/rabbitmq/client/impl/ValueReader.java uses ValueReader.readBytes to accept a wire-declared contentLength below Integer.MAX_VALUE and allocate a byte array before checking the bytes available in the frame. A malicious AMQP peer can send a LongString or byte-array field with type tag S and a declared length such as 0x7FFFFFFE during the pre-authentication connection.start server-properties table, causing an approximately 2 GB allocation and OutOfMemoryError before readFully consumes data. The resulting memory exhaustion can terminate the JVM and cause denial of service. This issue is fixed in version 5.33.1.

CVSS v3
8.7
EG Score
8.7HIGHmedium confidence
EG Risk
54
EG Risk 54/100CISA SSVC

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
Severity87% × 45%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.7%
EPSS %ILE
52nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

September 18, 2026

Advisory Details (6)

Auto-updated Aug 18, 2026
Patch available. Sources: github, github_pr, github_commit, github_release.
github_release Patch Available

5.33.1

Patch available: rabbitmq/rabbitmq-java-client v5.33.1

https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.33.1
github_commit

commit 6a87a8dcdc8b (rabbitmq/rabbitmq-java-client)

Fix landed in rabbitmq/rabbitmq-java-client commit 6a87a8dcdc8b — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-java-client/commit/6a87a8dcdc8b4cc4b961a7cdd388276446e5dfb2
github_commit Patch Available

commit 388209356c64 (rabbitmq/rabbitmq-java-client)

Patch available: rabbitmq/rabbitmq-java-client v5.33.1 (contains commit 388209356c64)

https://github.com/rabbitmq/rabbitmq-java-client/commit/388209356c6478088efce4d8a07b68e73837a7a0
github_pr Patch Available

Harden ValueReader (backport #2007)

Patch available: rabbitmq/rabbitmq-java-client v5.33.1 (PR #2008 merged 2026-07-06)

https://github.com/rabbitmq/rabbitmq-java-client/pull/2008
github_pr

Harden ValueReader

Fix merged in rabbitmq/rabbitmq-java-client PR #2007 on 2026-07-06 — awaiting tagged release

https://github.com/rabbitmq/rabbitmq-java-client/pull/2007
github Patch Available

ValueReader: Oversized LongString/bytes length triggers OOM via unchecked allocation · Advisory · rabbitmq/rabbitmq-java-client · GitHub

https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-68mj-5wr7-6fgg

Vendor Advisories for CVE-2026-69219(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
rabbitmq-java-client5.0.0-1.1, 5.0.0-2
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
rabbitmq-java-client5.0.0-1.1, 5.0.0-2
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
rabbitmq-java-client5.0.0-1.1, 5.0.0-2
  • every version on: no fix on record
—
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
com.rabbitmq:amqp-client1.3.0 ... 5.9.0 (151 versions)
  • every version up to 5.33.1: fixed in 5.33.1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 49× 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. 2026-10-05 06:06 UTCEG score recompute
  2. 2026-10-04 23:22 UTCEPSS rescore
  3. 2026-10-03 17:38 UTCEG score recompute
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  21. 2026-09-22 20:25 UTCEG score recompute
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  1. 2026-09-19 19:29 UTCEG score recompute
  2. 2026-09-18 20:09 UTCEG score recompute
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:51 UTCEG score recompute
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  6. 2026-09-16 14:08 UTCEPSS rescore
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  8. 2026-09-16 05:15 UTCEPSS rescore
  9. 2026-09-15 09:05 UTCEG score recompute
  10. 2026-09-13 22:31 UTCEG score recompute
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  13. 2026-09-11 14:53 UTCEPSS rescore
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  18. 2026-09-08 22:01 UTCEPSS rescore
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  20. 2026-09-07 16:01 UTCEPSS rescore
  21. 2026-09-06 22:11 UTCEG score recompute
  22. 2026-09-06 13:47 UTCEPSS rescore
  23. 2026-09-05 23:08 UTCEG score recompute
  24. 2026-09-05 15:31 UTCEPSS rescore
  25. 2026-09-05 00:07 UTCEG score recompute
  26. 2026-09-04 12:02 UTCEG score recompute
  27. 2026-09-04 05:07 UTCEPSS rescore
  28. 2026-09-03 00:45 UTCEG score recompute
  29. 2026-09-02 14:12 UTCEPSS rescore
  30. 2026-09-01 14:17 UTCEG score recompute
  31. 2026-09-01 13:54 UTCEPSS rescore
  32. 2026-09-01 04:40 UTCEPSS rescore
  33. 2026-08-31 01:47 UTCEG score recompute
  34. 2026-08-30 19:17 UTCEPSS rescore
  35. 2026-08-30 02:51 UTCEG score recompute
  36. 2026-08-30 01:22 UTCEPSS rescore
  37. 2026-08-29 03:52 UTCEG score recompute
  38. 2026-08-28 21:42 UTCEPSS rescore
  39. 2026-08-27 19:21 UTCEG score recompute
  40. 2026-08-26 19:34 UTCEG score recompute
  41. 2026-08-26 14:47 UTCEPSS rescore
  42. 2026-08-25 20:38 UTCEG score recompute
  43. 2026-08-25 13:49 UTCEPSS rescore
  44. 2026-08-24 21:32 UTCEG score recompute
  45. 2026-08-24 10:00 UTCEG score recompute
  46. 2026-08-23 11:05 UTCEG score recompute
  47. 2026-08-23 00:19 UTCEPSS rescore
  48. 2026-08-22 00:44 UTCEG score recompute
  49. 2026-08-21 23:49 UTCEPSS rescore
  50. 2026-08-21 01:48 UTCEG score recompute
  51. 2026-08-20 22:56 UTCEPSS rescore
  52. 2026-08-20 02:53 UTCEG score recompute
  53. 2026-08-19 17:04 UTCEPSS rescore
  54. 2026-08-19 15:25 UTCEG score recompute
  55. 2026-08-19 14:58 UTCEG score recompute
  56. 2026-08-18 17:21 UTCEG score recompute
  57. 2026-08-18 16:35 UTCEG score recompute
  58. 2026-08-18 16:34 UTCMITRE cvelistV5first tracked

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-69219?
CVE-2026-69219 is a high vulnerability published on August 18, 2026. The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.1, src/main/java/com/rabbitmq/client/impl/ValueReader.java uses ValueReader.readBytes to accept a wire-declared contentLength below Integer.MAX_VALUE and allocate a…
When was CVE-2026-69219 disclosed?
CVE-2026-69219 was first published on August 18, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69219 actively exploited?
CVE-2026-69219 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.7% probability of exploitation in the next 30 days (52nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-69219?
CVE-2026-69219 has a CVSS base score of 8.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-69219?
A fix for CVE-2026-69219 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-69219 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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