Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2 and v3 that allows remote attackers to crash the application by sending requests to routes with more than 30 parameters. The vulnerability results from missing validation during route registration combined with an unbounded array write during request matching. Version 2.52.12 patches the issue in the v2 branch and 3.1.0 patches the issue in the v3 branch.
Metrics
Affected Vendors & Products
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History
Tue, 24 Feb 2026 22:15:00 +0000
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ssvc
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Tue, 24 Feb 2026 21:30:00 +0000
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| Description | Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2 and v3 that allows remote attackers to crash the application by sending requests to routes with more than 30 parameters. The vulnerability results from missing validation during route registration combined with an unbounded array write during request matching. Version 2.52.12 patches the issue in the v2 branch and 3.0.1 patches the issue in the v3 branch. | Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2 and v3 that allows remote attackers to crash the application by sending requests to routes with more than 30 parameters. The vulnerability results from missing validation during route registration combined with an unbounded array write during request matching. Version 2.52.12 patches the issue in the v2 branch and 3.1.0 patches the issue in the v3 branch. |
Tue, 24 Feb 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Fiber is an Express inspired web framework written in Go. A denial of service vulnerability exists in Fiber v2 and v3 that allows remote attackers to crash the application by sending requests to routes with more than 30 parameters. The vulnerability results from missing validation during route registration combined with an unbounded array write during request matching. Version 2.52.12 patches the issue in the v2 branch and 3.0.1 patches the issue in the v3 branch. | |
| Title | Fiber has a Denial of Service Vulnerability via Route Parameter Overflow | |
| Weaknesses | CWE-129 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-24T21:39:51.170Z
Reserved: 2026-02-06T21:08:39.129Z
Link: CVE-2026-25882
Updated: 2026-02-24T21:39:44.016Z
Status : Awaiting Analysis
Published: 2026-02-24T21:16:29.640
Modified: 2026-02-24T22:16:31.310
Link: CVE-2026-25882
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OpenCVE Enrichment
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