Cyber Resilience

CVE-2025-48075

HighPublic PoC

Published: 22 May 2025

Published
22 May 2025
Modified
30 May 2025
KEV Added
—
Patch
—
CVSS Score v4 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0047 65.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-48075 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability in Gofiber Fiber. Its CVSS base score is 7.7 (High).

Operationally, ranked in the top 34.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Fiber is an Express-inspired web framework written in Go. Starting in version 2.52.6 and prior to version 2.52.7, `fiber.Ctx.BodyParser` can map flat data to nested slices using `key[idx]value` syntax, but when idx is negative, it causes a panic instead of…

more

returning an error stating it cannot process the data. Since this data is user-provided, this could lead to denial of service for anyone relying on this `fiber.Ctx.BodyParser` functionality. Version 2.52.7 fixes the issue.

CWE(s)
CWE-129

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

gofiber
fiber
2.0.0 — 2.52.7

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References