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CVE-2026-44838

🗓️ 27 May 2026 15:03:57Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 47 Views

CVE-2026-44838: MQTT topic access bypass via client_id regex injection in RabbitMQ; fixed in 4.2.4 and 4.3.0.

Related
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-44838
27 May 202615:03
–attackerkb
cnnvd
CNNVD
RabbitMQ security vulnerabilities
27 May 202600:00
–cnnvd
cve
CVE
CVE-2026-44838
27 May 202615:03
–cve
cvelist
Cvelist
CVE-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass
27 May 202615:03
–cvelist
euvd
EUVD
EUVD-2026-32548
27 May 202615:03
–euvd
euvd
EUVD
EUVD-2026-87236
25 Sep 202616:30
–euvd
mend
Mend
CVE-2026-44838
27 May 202615:03
–mend
mscve
Microsoft CVE
RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass
1 Oct 202608:25
–mscve
nvd
NVD
CVE-2026-44838
27 May 202615:16
–nvd
osv_bit
osv_bit
BIT-RABBITMQ-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass
29 May 202608:51
–osv_bit
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27 May 2026 15:03Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.1
CVSS 45.3
EPSS0.00203
SSVC
47