Vuln Signal Radar
public-safe defensive signal
HIGHpublic-safe

CVE-2026-72915

NVD: Mastodon is a free, open-source social network server based on ActivityPub. NVD: From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, any logged-in local user could use the show action in app/controllers/admin/collections_controller.rb to access personally identifying information about another local user in a collection because the controller... NVD: The exposed data included the other user's current email address and last-used IP address.

CVSS
7.5
Severity
HIGH
EPSS
0.0028 (20)
KEV
-

Source-published summary

NVD: Mastodon is a free, open-source social network server based on ActivityPub. NVD: From 4.6.0-beta.1 until 4.6.4 and 4.7.0-beta.1, any logged-in local user could use the show action in app/controllers/admin/collections_controller.rb to access personally identifying information about another local user in a collection because the controller... NVD: The exposed data included the other user's current email address and last-used IP address.

Possible impact

Source describes information exposure review · local exposure. Possible impact: A local user may be able to access information that should not be exposed.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Patch confirmed by source text; fixed version context: versions.

Why it matters

Source describes information exposure review · local exposure. Possible impact: A local user may be able to access information that should not be exposed.; CVSS 7.5 (HIGH); EPSS percentile 20; not listed in KEV; Patch confirmed by source text; fixed version context: versions; sources: NVD, OSV.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

local exposure

Impact tags

information exposure reviewlocal exposure relevant

Urgency reasons

CVSS HIGHvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD / OSV description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references