# Fiber vulnerabilities

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

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Fiber: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-53624, was published on 8 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About Fiber

Fiber is an Express-inspired web framework built on top of Fasthttp, the fastest HTTP engine for Go.

## Latest Fiber vulnerabilities

- [CVE-2026-53624: Gofiber Fiber HSTS header omission in helmet middleware](https://junglewise.ai/threats/cve-2026-53624-gofiber-fiber-hsts-header-omission-in-helmet-middleware) (medium, CVSS 4.8, published 8 Jul 2026)
- [CVE-2026-45045: Gofiber Fiber IP spoofing in BalancerForward proxy helper](https://junglewise.ai/threats/cve-2026-45045-gofiber-fiber-ip-spoofing-in-balancerforward-proxy-helper) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-44332: Gofiber Fiber username enumeration in BasicAuth middleware](https://junglewise.ai/threats/cve-2026-44332-gofiber-fiber-username-enumeration-in-basicauth-middleware) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-42554: Go Fiber XSS in AutoFormat content negotiation](https://junglewise.ai/threats/cve-2026-42554-go-fiber-xss-in-autoformat-content-negotiation) (medium, CVSS 4, published 11 May 2026)
- [CVE-2026-30246: Gofiber Fiber response mix-up in cache middleware](https://junglewise.ai/threats/cve-2026-30246-gofiber-fiber-response-mix-up-in-cache-middleware) (medium, CVSS 6.5, published 5 May 2026)

## Most severe Fiber vulnerabilities

- [CVE-2026-30246: Gofiber Fiber response mix-up in cache middleware](https://junglewise.ai/threats/cve-2026-30246-gofiber-fiber-response-mix-up-in-cache-middleware) (medium, CVSS 6.5, published 5 May 2026)
- [CVE-2026-44332: Gofiber Fiber username enumeration in BasicAuth middleware](https://junglewise.ai/threats/cve-2026-44332-gofiber-fiber-username-enumeration-in-basicauth-middleware) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-45045: Gofiber Fiber IP spoofing in BalancerForward proxy helper](https://junglewise.ai/threats/cve-2026-45045-gofiber-fiber-ip-spoofing-in-balancerforward-proxy-helper) (medium, CVSS 5.3, published 8 Jul 2026)
- [CVE-2026-53624: Gofiber Fiber HSTS header omission in helmet middleware](https://junglewise.ai/threats/cve-2026-53624-gofiber-fiber-hsts-header-omission-in-helmet-middleware) (medium, CVSS 4.8, published 8 Jul 2026)
- [CVE-2026-42554: Go Fiber XSS in AutoFormat content negotiation](https://junglewise.ai/threats/cve-2026-42554-go-fiber-xss-in-autoformat-content-negotiation) (medium, CVSS 4, published 11 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 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, "Fiber vulnerabilities", https://junglewise.ai/threats/technologies/fiber, 9 November 2026.