Medium severity6.5GHSA Advisory· Published May 5, 2026· Updated May 12, 2026
CVE-2026-30246
CVE-2026-30246
Description
Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key and receive the wrong cached response. This can cause response mix-up for query-dependent endpoints and may expose data intended for a different request. This issue is fixed after version 3.1.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/gofiber/fiber/v3Go | < 3.2.0 | 3.2.0 |
Affected products
3Patches
Vulnerability mechanics
References
7- github.com/gofiber/fiber/security/advisories/GHSA-35hp-hqmv-8qg8nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-35hp-hqmv-8qg8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-30246ghsaADVISORY
- github.com/gofiber/fiber/blob/main/middleware/cache/cache_test.gonvdProductWEB
- github.com/gofiber/fiber/blob/main/middleware/cache/config.gonvdProductWEB
- github.com/gofiber/fiber/commit/050ff1ff18511c1475b8ec627460216aaecddd4eghsaWEB
- github.com/gofiber/fiber/commit/9a0d12c07ed895b84c72987f9288b04137afe5deghsaWEB
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