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NVD Vulnerability Details :
CVE-2026-25891
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-24 Feb, 2026 | 22:16
Updated At-27 Feb, 2026 | 03:18

Fiber is an Express inspired web framework written in Go. A Path Traversal (CWE-22) vulnerability in Fiber allows a remote attacker to bypass the static middleware sanitizer and read arbitrary files on the server file system on Windows. This affects Fiber v3 through version 3.0.0. This has been patched in Fiber v3 version 3.1.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 7.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CPE Matches
gofiber
gofiber
>>fiber>>Versions from 3.0.0(inclusive) to 3.1.0(exclusive)
cpe:2.3:a:gofiber:fiber:*:*:*:*:*:go:*:*
Weaknesses
CWE IDTypeSource
CWE-22Primarysecurity-advisories@github.com
CWE ID: CWE-22
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86security-advisories@github.com
Patch
https://github.com/gofiber/fiber/pull/4064security-advisories@github.com
Exploit
Issue Tracking
https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3vsecurity-advisories@github.com
Exploit
Vendor Advisory
Hyperlink: https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/gofiber/fiber/pull/4064
Source: security-advisories@github.com
Resource:
Exploit
Issue Tracking
Hyperlink: https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3v
Source: security-advisories@github.com
Resource:
Exploit
Vendor Advisory
Change History
0Changes found
Details not found