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Critical, CVSS 9.1

Authorization Bypass Through User-Controlled Key in go-restful

CVE-2022-1996GHSA-r48q-9g5r-8q2h

What to do

Partial vendor fix. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Go github.com/emicklei/go-restful

    Affected
    < 2.16.0
    Fixed in
    2.16.0

  • Go github.com/emicklei/go-restful/v3

    Affected
    >= 3.0.0, < 3.8.0
    Fixed in
    3.8.0

  • Go github.com/emicklei/go-restful/v2

    Affected
    <= 2.7.1
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
  • CVE-2022-1996: 3.12% estimated exploitation activity in the next 30 days; percentile 87.83 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Authorization Bypass Through User-Controlled Key in GitHub repository emicklei/go-restful prior to v3.8.0.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-r48q-9g5r-8q2h

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2022-1996

Advisory: Authorization Bypass Through User-Controlled Key in go-restful
IDs: CVE-2022-1996, GHSA-r48q-9g5r-8q2h
Record: https://patchnext.com/advisories/cve-2022-1996 (revision 1, source checked 26 Oct 2026, 14:55 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Partial vendor fix; fixed versions by package: github.com/emicklei/go-restful 2.16.0; github.com/emicklei/go-restful/v3 3.8.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/emicklei/go-restful: affected < 2.16.0; fixed in 2.16.0
- Go github.com/emicklei/go-restful/v3: affected >= 3.0.0, < 3.8.0; fixed in 3.8.0
- Go github.com/emicklei/go-restful/v2: affected <= 2.7.1

## Suggested inspection (read-only)
- Go github.com/emicklei/go-restful: check the installed version with your package manager.
- Go github.com/emicklei/go-restful/v3: check the installed version with your package manager.
- Go github.com/emicklei/go-restful/v2: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/emicklei/go-restful, github.com/emicklei/go-restful/v3, github.com/emicklei/go-restful/v2.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-r48q-9g5r-8q2h (GitHub-reviewed advisory GHSA-r48q-9g5r-8q2h lists affected ranges: Go github.com/emicklei/go-restful/v3 >=3.0.0 =0 =0 <=2.7.1)

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