# Lin-Snow Ech0 vulnerabilities

Source: https://junglewise.ai/threats/technologies/ech0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/ech0.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 19 vulnerabilities in Lin-Snow Ech0: 0 in the last 7 days and 17 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-79673, was published on 25 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 17
- All time: 19 (0 critical, 0 exploited in the wild)

## About Lin-Snow Ech0

Ech0 is a high-performance, lightweight, and easy-to-use web framework for the Go programming language.

## Latest Lin-Snow Ech0 vulnerabilities

- [CVE-2026-79673: Ech0 scope bypass in PUT /user endpoint via profile:read token](https://junglewise.ai/threats/cve-2026-79673-ech0-scope-bypass-in-put-user-endpoint-via-profile-read-token) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-79672: Ech0 authorization bypass in comment panel endpoints](https://junglewise.ai/threats/cve-2026-79672-ech0-authorization-bypass-in-comment-panel-endpoints) (medium, CVSS 5.5, published 25 Aug 2026)
- [CVE-2026-79671: Ech0 server-side request forgery in webhook URL validation](https://junglewise.ai/threats/cve-2026-79671-ech0-server-side-request-forgery-in-webhook-url-validation) (medium, CVSS 5.5, published 25 Aug 2026)
- [CVE-2026-79670: Ech0 stored cross-site scripting in file upload](https://junglewise.ai/threats/cve-2026-79670-ech0-stored-cross-site-scripting-in-file-upload) (medium, CVSS 4.8, published 25 Aug 2026)
- [CVE-2026-79669: Ech0 missing authorization on system log endpoints](https://junglewise.ai/threats/cve-2026-79669-ech0-missing-authorization-on-system-log-endpoints) (medium, CVSS 4.3, published 25 Aug 2026)
- [CVE-2026-79668: Ech0 authentication bypass in like endpoint](https://junglewise.ai/threats/cve-2026-79668-ech0-authentication-bypass-in-like-endpoint) (medium, CVSS 5.3, published 25 Aug 2026)
- [CVE-2026-79667: Ech0 scoped access token bypass in admin routes](https://junglewise.ai/threats/cve-2026-79667-ech0-scoped-access-token-bypass-in-admin-routes) (high, CVSS 7.6, published 25 Aug 2026)
- [CVE-2026-79666: Ech0 missing authorization on dashboard log endpoints](https://junglewise.ai/threats/cve-2026-79666-ech0-missing-authorization-on-dashboard-log-endpoints) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-79665: Ech0 authorization bypass in RequireScopes middleware](https://junglewise.ai/threats/cve-2026-79665-ech0-authorization-bypass-in-requirescopes-middleware) (high, CVSS 8.8, published 25 Aug 2026)
- [CVE-2026-79664: Ech0 access token revocation bypass with never-expire tokens](https://junglewise.ai/threats/cve-2026-79664-ech0-access-token-revocation-bypass-with-never-expire-tokens) (high, CVSS 7.4, published 25 Aug 2026)
- [CVE-2026-79663: Ech0 stored cross-site scripting in RSS feed](https://junglewise.ai/threats/cve-2026-79663-ech0-stored-cross-site-scripting-in-rss-feed) (medium, CVSS 4.8, published 25 Aug 2026)
- [CVE-2026-79662: Ech0 OAuth redirect URI validation bypass](https://junglewise.ai/threats/cve-2026-79662-ech0-oauth-redirect-uri-validation-bypass) (high, CVSS 8, published 25 Aug 2026)
- [CVE-2026-79661: Ech0 unauthenticated fav_count modification](https://junglewise.ai/threats/cve-2026-79661-ech0-unauthenticated-fav-count-modification) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-79660: Ech0 email disclosure via public API endpoints](https://junglewise.ai/threats/cve-2026-79660-ech0-email-disclosure-via-public-api-endpoints) (medium, CVSS 5.3, published 25 Aug 2026)
- [CVE-2026-79659: Ech0 server-side request forgery in fetchPeerConnectInfo](https://junglewise.ai/threats/cve-2026-79659-ech0-server-side-request-forgery-in-fetchpeerconnectinfo) (high, CVSS 7.7, published 25 Aug 2026)
- [CVE-2026-79658: Ech0 ReDoS in Accept-Language header processing via i18n middleware](https://junglewise.ai/threats/cve-2026-79658-ech0-redos-in-accept-language-header-processing-via-i18n) (high, CVSS 7.5, published 25 Aug 2026)
- [CVE-2026-77151: lin-snow Ech0 weak cryptographic algorithm in MD5Encrypt](https://junglewise.ai/threats/cve-2026-77151-lin-snow-ech0-weak-cryptographic-algorithm-in-md5encrypt) (low, CVSS 3.7, published 20 Aug 2026)
- [lin-snow Ech0 CPU amplification in i18n Middleware](https://junglewise.ai/threats/lin-snow-ech0-cpu-amplification-in-i18n-middleware-fefbca41) (high, CVSS 7.5, published 14 Jul 2026)
- [CVE-2026-55677: Labstack Echo authorization bypass in static file handler](https://junglewise.ai/threats/cve-2026-55677-labstack-echo-authorization-bypass-in-static-file-handler) (high, CVSS 7.5, published 26 Jun 2026)

## Most severe Lin-Snow Ech0 vulnerabilities

- [CVE-2026-79665: Ech0 authorization bypass in RequireScopes middleware](https://junglewise.ai/threats/cve-2026-79665-ech0-authorization-bypass-in-requirescopes-middleware) (high, CVSS 8.8, published 25 Aug 2026)
- [CVE-2026-79662: Ech0 OAuth redirect URI validation bypass](https://junglewise.ai/threats/cve-2026-79662-ech0-oauth-redirect-uri-validation-bypass) (high, CVSS 8, published 25 Aug 2026)
- [CVE-2026-79659: Ech0 server-side request forgery in fetchPeerConnectInfo](https://junglewise.ai/threats/cve-2026-79659-ech0-server-side-request-forgery-in-fetchpeerconnectinfo) (high, CVSS 7.7, published 25 Aug 2026)
- [CVE-2026-79667: Ech0 scoped access token bypass in admin routes](https://junglewise.ai/threats/cve-2026-79667-ech0-scoped-access-token-bypass-in-admin-routes) (high, CVSS 7.6, published 25 Aug 2026)
- [CVE-2026-79658: Ech0 ReDoS in Accept-Language header processing via i18n middleware](https://junglewise.ai/threats/cve-2026-79658-ech0-redos-in-accept-language-header-processing-via-i18n) (high, CVSS 7.5, published 25 Aug 2026)
- [CVE-2026-55677: Labstack Echo authorization bypass in static file handler](https://junglewise.ai/threats/cve-2026-55677-labstack-echo-authorization-bypass-in-static-file-handler) (high, CVSS 7.5, published 26 Jun 2026)
- [lin-snow Ech0 CPU amplification in i18n Middleware](https://junglewise.ai/threats/lin-snow-ech0-cpu-amplification-in-i18n-middleware-fefbca41) (high, CVSS 7.5, published 14 Jul 2026)
- [CVE-2026-79664: Ech0 access token revocation bypass with never-expire tokens](https://junglewise.ai/threats/cve-2026-79664-ech0-access-token-revocation-bypass-with-never-expire-tokens) (high, CVSS 7.4, published 25 Aug 2026)
- [CVE-2026-79673: Ech0 scope bypass in PUT /user endpoint via profile:read token](https://junglewise.ai/threats/cve-2026-79673-ech0-scope-bypass-in-put-user-endpoint-via-profile-read-token) (medium, CVSS 6.5, published 25 Aug 2026)
- [CVE-2026-79661: Ech0 unauthenticated fav_count modification](https://junglewise.ai/threats/cve-2026-79661-ech0-unauthenticated-fav-count-modification) (medium, CVSS 6.5, published 25 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 16 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Lin-Snow Ech0 vulnerabilities", https://junglewise.ai/threats/technologies/ech0, 9 November 2026.