OCTOBER 13, 2026
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Case File

CVE-2026-66078

LOW · CVSS 2.1 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-25 · Last synced 2026-10-13

CyberRota Analysis

AI-Generated

RabbitMQ versions 3.13.0 to 3.13.15, 4.0.20, 4.1.11, and 4.2.6 are vulnerable to a protected tag bypass that allows administrators to delete protected service accounts through the bulk-delete API endpoint, circumventing intended safeguards. This vulnerability could lead to unauthorized account deletions, potentially compromising the integrity of the messaging system. Organizations using affected versions should prioritize upgrading to the patched releases to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

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CVE
CVE-2026-66078
Severity
LOW
CVSS
2.1
EPSS
0.36%

Original NVD Description

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, protected tag bypass via bulk-delete. dELETE /api/users/:name refuses to delete users tagged protected (rabbitmgmtwmuser:deleteresource/2 checks isprotecteduser). POST /api/users/bulk-delete iterates the supplied username list and calls rabbitauthbackendinternal:deleteuser/2 directly , that function has no protected-tag check , so the guard is silently An administrator can delete protected-tagged service accounts via the bulk endpoint, bypassing a safeguard the test suite confirms is rabbitmqmanagement enabled Attacker has the administrator tag A protected-tagged user. This issue is fixed in versions 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6.