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CVE-2026-63100

MEDIUM
6.5
CVSS 3.1
Description
Maybe through 0.6.0 contains a missing authorization vulnerability that allows authenticated low-privilege member-role users to access and modify global hosting settings by exploiting unprotected show and update actions in the Settings::HostingsController, where the before_action ensure_admin filter is applied only to the clear_cache action. Attackers can read the operator's Synth API key rendered in plaintext via a form field value attribute, overwrite it with an attacker-controlled value, toggle public registration settings, and disable email confirmation requirements to disrupt the entire instance.

Metadata

CVE ID
CVE-2026-63100
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-07-15 15:45 UTC
Published
2026-07-17 15:45 UTC
Last updated
2026-07-17 15:45 UTC
Primary CWE
CWE-862
Missing Authorization
Vendor / Product
maybe-finance / maybe
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products (1)
VendorProductPlatformVersions
maybe-finance maybe — 0 ≤ 0.6.0
Weakness (CWE)
CWESourceDescription
CWE-862 cna Missing Authorization
CVSS scores (2)
ScoreSeverityVersionSourceVector
7.1 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References (2)
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