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CVE-2026-15541

HIGH Exploitation: PoC
7.3
CVSS 3.1
Description
A flaw has been found in will-moss Isaiah up to 1.36.9. The impacted element is the function Server.Handle of the file app/server/server/server.go of the component Master Websocket Handler. Executing a manipulation of the argument Agent can lead to missing authorization. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.

Metadata

CVE ID
CVE-2026-15541
State
PUBLISHED
Assigner
VulDB
Reserved
2026-07-12 18:12 UTC
Published
2026-07-13 06:45 UTC
Last updated
2026-07-13 14:28 UTC
Primary CWE
CWE-862
Missing Authorization
Vendor / Product
will-moss / Isaiah
Sources
cve.org  ·  NVD

Severity & Metrics

7.3 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
will-moss Isaiah — 1.36.0, 1.36.1, 1.36.2, 1.36.3 …
Weakness (CWE)
CWESourceDescription
CWE-862 cna Missing Authorization
CWE-863 cna Incorrect Authorization
CVSS scores (4)
ScoreSeverityVersionSourceVector
7.5 N/D 2.0 cna AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR
7.3 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
7.3 HIGH 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
References (7)
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