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CVE Vulnerability Details :
CVE-2026-46411
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-09 Jun, 2026 | 23:01
Updated At-10 Jun, 2026 | 14:30
Rejected At-
▼CVE Numbering Authority (CNA)
FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.

Affected Products
Vendor
halfgaar
Product
FlashMQ
Versions
Affected
  • < 1.26.2
Problem Types
TypeCWE IDDescription
CWECWE-248CWE-248: Uncaught Exception
Type: CWE
CWE ID: CWE-248
Description: CWE-248: Uncaught Exception
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-g35r-265r-rxrh
x_refsource_CONFIRM
https://github.com/halfgaar/FlashMQ/commit/29e08f7b97b6e3f96db923c2b6a260c47b49c195
x_refsource_MISC
https://github.com/halfgaar/FlashMQ/releases/tag/v1.26.2
x_refsource_MISC
Hyperlink: https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-g35r-265r-rxrh
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/halfgaar/FlashMQ/commit/29e08f7b97b6e3f96db923c2b6a260c47b49c195
Resource:
x_refsource_MISC
Hyperlink: https://github.com/halfgaar/FlashMQ/releases/tag/v1.26.2
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found