CVE-2026-79660GHSA-RJ4G-RQGH-RX9HGO-2026-5626
Ech0 before 4.7.3 Email Disclosure via Public API
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.7.3, 1.4.8-0.20260503034700-cb8d7a997dd8
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: yes
- Technical impact: partial
Summary
Ech0 versions before 4.7.3 expose guest commenter email addresses through public API endpoints due to improper JSON serialization tags on the Comment model. Unauthenticated attackers can harvest all commenter emails by calling the /api/comments and /api/comments/public endpoints without authentication.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- lin-snow Ech0
fixed in 4.7.3
- github.com/lin-snow/Ech0Go
fixed in 1.4.8-0.20260503034700-cb8d7a997dd8
- github.com/lin-snow/ech0Go
fixed in 1.4.8-0.20260503034700-cb8d7a997dd8