CVE-2026-30246
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
Description
Fiber's cache middleware default key generator ignores query string, causing response mix-up across distinct query parameters
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/gofiber/fiber/v3 | <3.2.0 | 3.2.0 |
| GO | github.com/gofiber/fiber/v3 | <= 3.1.0 | 3.2.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gofiber | fiber | {"endIncluding":"3.1.0"} | |
References
- https://github.com/gofiber/fiber/blob/main/middleware/cache/cache_test.go#L599-L621
- https://github.com/gofiber/fiber/blob/main/middleware/cache/config.go#L90-L92
- https://github.com/gofiber/fiber/security/advisories/GHSA-35hp-hqmv-8qg8
- https://nvd.nist.gov/vuln/detail/CVE-2026-30246
- https://github.com/gofiber/fiber/commit/050ff1ff18511c1475b8ec627460216aaecddd4e
- https://github.com/gofiber/fiber/commit/9a0d12c07ed895b84c72987f9288b04137afe5de
- https://github.com/gofiber/fiber
- https://github.com/advisories/GHSA-35hp-hqmv-8qg8
CWEs
CWE-436
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.