CVE-2026-79660Public exploitNetwork attack vector

Email disclosure via serialized Comment field

Published Aug 25, 2026 · Updated Aug 25, 2026

Information disclosure in lin-snow Ech0 before 4.7.3 allows remote attackers to read guest commenter email addresses through public APIs. The Comment model marks Email with json:"email", so unauthenticated handlers serialize the full GORM-loaded struct without a public DTO or field stripping. Any visitor can enumerate addresses through /api/comments and /api/comments/public; the flaw has no reported write or service-interruption capability.

CVSS severity6.9
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in lin-snow Ech0 before 4.7.3 allows remote attackers to read guest commenter email addresses through public APIs. The Comment model marks Email with json:"email", so unauthenticated handlers serialize the full GORM-loaded struct without a public DTO or field stripping. Any visitor can enumerate addresses through /api/comments and /api/comments/public; the flaw has no reported write or service-interruption capability.

The record

CVE
CVE-2026-79660
Published
Aug 25, 2026
Updated
Aug 25, 2026
Vendor
lin-snow
Product
Ech0
Classifications
CWE-200, CWE-359, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.7.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

lin-snow · Ech0version=0 <4.7.3

Published CVSS scores

6.9VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-359Exposure of Private Personal Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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