CVE-2026-79668
Last modified
CVE-2026-79668 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the fav_count field for any known echo identifier, compromising the integrity of engagement metrics and social ranking systems.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that allows unauthenticated attackers to increment engagement metrics without identity verification or rate limiting. Attackers can send repeated requests to arbitrarily inflate the fav_count field for any known echo identifier, compromising the integrity of engagement metrics and social ranking systems.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| lin-snow | Ech0 | < 4.7.3 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-79668?
How severe is CVE-2026-79668?
How do I fix CVE-2026-79668?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-79662Ech0 through 4.5.6 contains an OAuth redirect URI validation…8
- CVE-2026-79663Ech0 before 4.7.3 contains a stored cross-site scripting vul…4.8
- CVE-2026-79664Ech0 before 4.7.3 fails to properly revoke access tokens cre…7.4
- CVE-2026-79665Ech0 before 4.5.1 contains an authorization bypass vulnerabi…8.8
- CVE-2026-79666Ech0 before 4.4.3 fails to enforce administrator authorizati…6.5
- CVE-2026-79667Ech0 version 4.3.4 and earlier fails to reliably enforce sco…7.6
- CVE-2026-79669Ech0 before 4.4.3 lacks authorization checks on system log e…4.3
- CVE-2026-7967Insufficient validation of untrusted input in Navigation in …8.3
- CVE-2026-79670Ech0 before 4.4.3 contains a stored cross-site scripting vul…4.8
- CVE-2026-79671Ech0 before 4.4.3 contains a server-side request forgery vul…5.5
- CVE-2026-79672Ech0 before 4.4.3 fails to enforce scope-based authorization…5.5
- CVE-2026-79673Ech0 before 4.4.3 protects the PUT /user endpoint with the p…6.5
Are you affected by CVE-2026-79668?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST