# CVE-2025-48075: GO-2025-3706 - Fiber panics when fiber.Ctx.BodyParser parses invalid range index in github.com/gofiber/fiber

Source: https://junglewise.ai/threats/cve-2025-48075-fiber-panics-when-fiber-ctx-bodyparser-parses-invalid-range-index  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-05-27  
License: CC BY 4.0 with a link back

CVE-2025-48075 · Severity: medium · CVSS 4 · Published 2025-05-27

Fiber panics when fiber.Ctx.BodyParser parses invalid range index in github.com/gofiber/fiber

Technologies: [github.com/gofiber/fiber (Go)](https://junglewise.ai/threats/technologies/github-com-gofiber-fiber), [github.com/gofiber/fiber/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-gofiber-fiber-v2). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2025-48075 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-48075 being exploited in the wild.

**How severe is CVE-2025-48075?** Medium severity, with a CVSS score of 4, published 27 May 2025.

**Which products and versions are affected?** github.com/gofiber/fiber (Go) SEMVER:introduced=0; github.com/gofiber/fiber/v2 (Go) SEMVER:introduced=2.52.6,fixed=2.52.7.

**Is there a fix for CVE-2025-48075?** Yes. github.com/gofiber/fiber/v2 (Go): upgrade to 2.52.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-48075?** Check whether you run github.com/gofiber/fiber (Go) or github.com/gofiber/fiber/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/gofiber/fiber/v2 (Go): upgrade to 2.52.7 or later

  ```sh
  go get github.com/gofiber/fiber/v2@v2.52.7
  ```


## Affected products

- github.com/gofiber/fiber (Go) SEMVER:introduced=0
- github.com/gofiber/fiber/v2 (Go) SEMVER:introduced=2.52.6,fixed=2.52.7

## Identifiers

- CVE-2025-48075
- GHSA-hg3g-gphw-5hhm
- GO-2025-3706

## Related threats

- [Fiber CORS middleware wildcard domain bypass](https://junglewise.ai/threats/cve-2026-119285-fiber-is-an-express-inspired-web-framework-written-in-go-from-2)
- [Gofiber Fiber HSTS header omission in helmet middleware](https://junglewise.ai/threats/cve-2026-53624-gofiber-fiber-hsts-header-omission-in-helmet-middleware)
- [Gofiber Fiber IP spoofing in BalancerForward proxy helper](https://junglewise.ai/threats/cve-2026-45045-gofiber-fiber-ip-spoofing-in-balancerforward-proxy-helper)
- [Go Fiber XSS in AutoFormat content negotiation](https://junglewise.ai/threats/cve-2026-42554-go-fiber-xss-in-autoformat-content-negotiation)
- [GO-2026-4543 - Fiber has a Denial of Service Vulnerability via Route Parameter Overflow in github.com/gofiber/fiber](https://junglewise.ai/threats/cve-2026-25882-fiber-has-a-denial-of-service-vulnerability-via-route-parameter)