Search/CVE-2026-53871
● CVE — High

CVE-2026-53871

DiscoveredJun 17, 2026UpdatedOct 25, 2026

Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie. An authenticated attacker can forge the hermes_profile cookie value to bypass profile-scoped authorization checks and access sessions, files, and resources across different profiles.

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CVSS v3.1
8.1 HIGH
EPSS
0.36%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 25, 2026 → Oct 26, 2026
▼ 0.14pp
0.50% → 0.36% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Connections
1 relationships
Timeline
disclosure → media coverage
Jun 17, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 25, 2026