EUVD Vulnerability Catalog
EUVD-2026-80821
Severity: CRITICAL
Base Score: 9.5
CVSS Version: 4.0
Vulnerability Description
RabbitMQ amqp091-go: Protocol Desynchronization and Frame Injection via Integer Overflow in readLongstr
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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Attack Vector (AV): Network
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Attack Complexity (AC): Low
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Attack Requirements (AT): Present
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Privileges Required (PR): None
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User Interaction (UI): None
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Vulnerability Confidentiality Impact (VC): High
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Vulnerability Integrity Impact (VI): High
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Vulnerability Availability Impact (VA): High
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Subsequent Confidentiality Impact (SC): High
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Subsequent Integrity Impact (SI): High
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Subsequent Availability Impact (SA): High
Affected Vendors & Systems
Vendor
rabbitmq
References & Advisory Links
- https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-c5pq-fr2g-9jpf
- https://github.com/rabbitmq/amqp091-go/pull/347
- https://github.com/rabbitmq/amqp091-go/commit/143c1ace5fa7344cee135e5c7d22970f0de68282
- https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-77411
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
GitHub_M
EPSS Probability
0
Known Aliases
GHSA-c5pq-fr2g-9jpf
CVE-2026-77411
Published On
2026-09-17
Last Updated
2026-09-17