CVE-2026-79661 - Ech0 before 4.7.3 Unauthenticated fav_count Modification
CVE ID :CVE-2026-79661
Published : Aug. 25, 2026, 11:33 a.m. | 55 minutes ago
Description :Ech0 through 4.5.6 registers the PUT /api/echo/like/:id endpoint on the public router group without authentication or rate limiting. Unauthenticated attackers can increment the fav_count counter of any echo (including private echoes) by supplying its UUID, which can be harvested from the public GET /api/echo/page feed. Repeated requests are accepted without deduplication, each triggering a database write and a four-key cache invalidation, allowing attackers to inflate popularity metrics and amplify load on the database and cache. Fixed in 4.7.3.
Severity: 6.9 | MEDIUM
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Published : Aug. 25, 2026, 11:33 a.m. | 55 minutes ago
Description :Ech0 through 4.5.6 registers the PUT /api/echo/like/:id endpoint on the public router group without authentication or rate limiting. Unauthenticated attackers can increment the fav_count counter of any echo (including private echoes) by supplying its UUID, which can be harvested from the public GET /api/echo/page feed. Repeated requests are accepted without deduplication, each triggering a database write and a four-key cache invalidation, allowing attackers to inflate popularity metrics and amplify load on the database and cache. Fixed in 4.7.3.
Severity: 6.9 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...