# Labstack vulnerabilities

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

Junglewise Threat Intelligence has tracked 23 vulnerabilities in Labstack: 0 in the last 7 days and 22 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-118658, was published on 28 October 2026. 22 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 22
- Last 90 days: 22
- All time: 23 (1 critical, 0 exploited in the wild)

## About Labstack

Open source software organization that develops web frameworks and tooling.

## Latest Labstack vulnerabilities

- [CVE-2026-118658: Echo web framework arbitrary URI scheme redirect](https://junglewise.ai/threats/cve-2026-118658-echo-is-a-go-web-framework-prior-to-4-15-2-and-5-1-1-context) (medium, CVSS 4.7, published 28 Oct 2026)
- [CVE-2026-118657: Echo Go web framework scheme header spoofing and HSTS bypass](https://junglewise.ai/threats/cve-2026-118657-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-context) (medium, CVSS 5.9, published 28 Oct 2026)
- [CVE-2026-118656: Echo open redirect in sanitizeURI with trailing slash redirect](https://junglewise.ai/threats/cve-2026-118656-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-sanitizeuri) (medium, CVSS 6.1, published 28 Oct 2026)
- [CVE-2026-118655: Echo path traversal via double URL encoding in Static middleware](https://junglewise.ai/threats/cve-2026-118655-echo-is-a-go-web-framework-prior-to-4-15-3-and-5-2-0-middleware) (medium, CVSS 5.9, published 28 Oct 2026)
- [CVE-2026-118654: Echo path traversal in static file handlers via dot segment normalization](https://junglewise.ai/threats/cve-2026-118654-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-echo-s) (medium, CVSS 5.9, published 28 Oct 2026)
- [CVE-2026-118653: Echo Go web framework rate-limit bypass via spoofed IP headers](https://junglewise.ai/threats/cve-2026-118653-echo-is-a-go-web-framework-from-4-0-0-until-5-1-0-context-realip) (medium, CVSS 5.3, published 28 Oct 2026)
- [CVE-2026-118652: Echo JSONP callback code injection](https://junglewise.ai/threats/cve-2026-118652-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-context) (medium, CVSS 6.1, published 28 Oct 2026)
- [CVE-2026-118651: Echo Proxy middleware IP spoofing via X-Real-IP header](https://junglewise.ai/threats/cve-2026-118651-echo-is-a-go-web-framework-from-4-0-0-until-5-4-0-the-proxy) (medium, CVSS 5.3, published 28 Oct 2026)
- [CVE-2026-118650: Echo path traversal via encoded static file requests](https://junglewise.ai/threats/cve-2026-118650-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-a-globally) (high, CVSS 7.5, published 28 Oct 2026)
- [CVE-2026-118266: Echo MethodOverride middleware CSRF bypass](https://junglewise.ai/threats/cve-2026-118266-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-echo-s) (medium, CVSS 5.3, published 28 Oct 2026)
- [CVE-2026-118265: Echo X-Real-IP header spoofing via untrusted extractor](https://junglewise.ai/threats/cve-2026-118265-echo-is-a-go-web-framework-from-5-0-0-until-5-4-1-echo-v5-s) (medium, CVSS 5.3, published 28 Oct 2026)
- [CVE-2026-118264: Echo Proxy middleware WebSocket upgrade validation bypass](https://junglewise.ai/threats/cve-2026-118264-echo-is-a-go-web-framework-from-4-0-0-until-4-16-1-and-5-4-1) (info, published 28 Oct 2026)
- [CVE-2026-118263: Echo BodyDump middleware body limit bypass](https://junglewise.ai/threats/cve-2026-118263-echo-is-a-go-web-framework-from-5-0-0-until-5-4-1-echo-v5-s) (info, published 28 Oct 2026)
- [CVE-2026-118262: Echo Proxy middleware resource retention and DoS](https://junglewise.ai/threats/cve-2026-118262-echo-is-a-go-web-framework-from-4-15-0-until-4-16-1-and-5-4-1) (info, published 28 Oct 2026)
- [CVE-2026-118261: Echo Decompress middleware denial of service](https://junglewise.ai/threats/cve-2026-118261-echo-is-a-go-web-framework-from-4-0-0-until-4-16-1-echo-v4-s-opt) (info, published 28 Oct 2026)
- [CVE-2026-118260: Echo BodyDump middleware unbounded memory allocation](https://junglewise.ai/threats/cve-2026-118260-echo-is-a-go-web-framework-from-4-0-0-until-4-16-1-echo-v4-s-opt) (info, published 28 Oct 2026)
- [Echo X-Real-IP header spoofing vulnerability](https://junglewise.ai/threats/echo-x-real-ip-extractor-trusts-the-header-value-instead-of-the-sending-e51c0fbe) (medium, CVSS 5.3, published 23 Oct 2026)
- [Echo WebSocket proxy resource retention after client disconnect](https://junglewise.ai/threats/echo-websocket-proxy-can-retain-connections-and-handlers-after-client-5418048e) (high, CVSS 4, published 23 Oct 2026)
- [Echo Decompress unbounded gzip expansion](https://junglewise.ai/threats/echo-decompress-permits-unbounded-gzip-expansion-in-v4-4854c33a) (high, CVSS 4, published 23 Oct 2026)
- [Echo WebSocket upgrade authorization bypass](https://junglewise.ai/threats/echo-rejected-websocket-upgrades-can-bypass-echo-route-level-access-e87356e1) (critical, CVSS 4, published 23 Oct 2026)
- [Echo BodyDump middleware body limit bypass](https://junglewise.ai/threats/echo-bodydump-can-discard-bodylimit-overflow-errors-for-unknown-length-077ea6f0) (medium, CVSS 4, published 23 Oct 2026)
- [Echo BodyDump unbounded memory allocation denial of service](https://junglewise.ai/threats/echo-bodydump-captures-request-and-response-bodies-without-size-limits-2c3412a3) (high, CVSS 4, published 23 Oct 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 Labstack vulnerabilities

- [Echo WebSocket upgrade authorization bypass](https://junglewise.ai/threats/echo-rejected-websocket-upgrades-can-bypass-echo-route-level-access-e87356e1) (critical, CVSS 4, published 23 Oct 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)
- [CVE-2026-118650: Echo path traversal via encoded static file requests](https://junglewise.ai/threats/cve-2026-118650-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-a-globally) (high, CVSS 7.5, published 28 Oct 2026)
- [Echo WebSocket proxy resource retention after client disconnect](https://junglewise.ai/threats/echo-websocket-proxy-can-retain-connections-and-handlers-after-client-5418048e) (high, CVSS 4, published 23 Oct 2026)
- [Echo Decompress unbounded gzip expansion](https://junglewise.ai/threats/echo-decompress-permits-unbounded-gzip-expansion-in-v4-4854c33a) (high, CVSS 4, published 23 Oct 2026)
- [Echo BodyDump unbounded memory allocation denial of service](https://junglewise.ai/threats/echo-bodydump-captures-request-and-response-bodies-without-size-limits-2c3412a3) (high, CVSS 4, published 23 Oct 2026)
- [CVE-2026-118652: Echo JSONP callback code injection](https://junglewise.ai/threats/cve-2026-118652-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-context) (medium, CVSS 6.1, published 28 Oct 2026)
- [CVE-2026-118656: Echo open redirect in sanitizeURI with trailing slash redirect](https://junglewise.ai/threats/cve-2026-118656-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-sanitizeuri) (medium, CVSS 6.1, published 28 Oct 2026)
- [CVE-2026-118654: Echo path traversal in static file handlers via dot segment normalization](https://junglewise.ai/threats/cve-2026-118654-echo-is-a-go-web-framework-prior-to-4-16-0-and-5-4-0-echo-s) (medium, CVSS 5.9, published 28 Oct 2026)
- [CVE-2026-118655: Echo path traversal via double URL encoding in Static middleware](https://junglewise.ai/threats/cve-2026-118655-echo-is-a-go-web-framework-prior-to-4-15-3-and-5-2-0-middleware) (medium, CVSS 5.9, published 28 Oct 2026)

## Vulnerabilities per week

22 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 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 | 6 | 1 | 0 |
| 26 Oct 2026 | 16 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Labstack technologies

- [Labstack Echo](https://junglewise.ai/threats/technologies/labstack-echo): 22 vulnerabilities

## 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, "Labstack vulnerabilities", https://junglewise.ai/threats/vendors/labstack, 9 November 2026.
