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 permits ValueReader.readTable and ValueReader.readArray to call ValueReader.readFieldValue recursively for AMQP table type F and AMQP array type A values without a nesting-depth limit. A malicious AMQP server or network intermediary can send approximately 580 nested table levels in the pre-authentication connection.start frame, fitting within the default 131072-byte frame maximum, to trigger StackOverflowError. The error terminates the client input processing thread and causes denial of service. This issue is fixed in version 5.33.1.
CVE-2026-69220
HIGHPre-NVD 8.78.7—Trending — 3 sources updated this week
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 67% 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, 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%CVSS: 8.7Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.7
- EG Score
- 8.7(medium)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: 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 computedSeverity87% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 33%
- KEV
- Not listed
Published
August 18, 2026
Last Modified
August 18, 2026
Advisory Details (6)
Auto-updated Aug 18, 2026Patch 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/v5.33.1github_commit Patch Available
commit db89e34809fb (rabbitmq/rabbitmq-java-client)
Patch available: rabbitmq/rabbitmq-java-client v5.33.1 (contains commit db89e34809fb)
https://github.com/rabbitmq/rabbitmq-java-client/commit/db89e34809fbc6ba4e946615f297f3684ccd0accgithub_commit
commit 09af76fce136 (rabbitmq/rabbitmq-java-client)
Fix landed in rabbitmq/rabbitmq-java-client commit 09af76fce136 — awaiting tagged release
https://github.com/rabbitmq/rabbitmq-java-client/commit/09af76fce136f3136931654a0a1d43095c80e2f0github_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/2008github_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/2007github Patch Available
ValueReader: Unbounded recursive table/array nesting causes StackOverflowError DoS · Advisory · rabbitmq/rabbitmq-java-client · GitHub
https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-93j5-89vc-pph4Vendor Advisories for CVE-2026-69220(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 8× 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.
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-19 19:34 UTCEG score recompute
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-18 18:24 UTCEG score recompute
- 2026-08-18 17:57 UTCEG score recompute
- 2026-08-18 17:21 UTCEG score recompute
- 2026-08-18 16:35 UTCEG score recompute
- 2026-08-18 16:34 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-69220?
CVE-2026-69220 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 permits ValueReader.readTable and ValueReader.readArray to call ValueReader.readFieldValue recursively for…
When was CVE-2026-69220 disclosed?
CVE-2026-69220 was first published in the National Vulnerability Database on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69220 actively exploited?
CVE-2026-69220 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 66.6% of all scored CVEs.
What is the CVSS score of CVE-2026-69220?
CVE-2026-69220 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-69220?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69220, 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
Explore the affected products and dependency analysis for CVE-2026-69220
Is Your Infrastructure Affected by CVE-2026-69220?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.