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High, CVSS 8.1amended

http4k: DigestAuthProvider.verify did not bind to request URI

CVE-2026-54148GHSA-p28p-j94q-pg32

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.http4k:http4k-security-digest 6.50.0.0, 5.42.0.0, 4.51.0.0), redeploy, then verify what is actually installed.

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

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
8.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
  • CVE-2026-54148: 0.58% estimated exploitation activity in the next 30 days; percentile 47.76 (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.

Impact An issue in DigestAuthProvider.verify: The uri parameter in the client's Authorization: Digest … response was not checked against the actual request URL. A captured Digest authentication response could be replayed against any other URL served by the same realm, breaking the per-request-URL binding the Digest scheme assumes. Who is affected: any application using http4k-security-digest for HTTP Digest authentication. The bug has been present since DigestAuthProvider was introduced (commit 8a52b615b1, 2021). Patches | Line | Fixed in | Edition | |------|----------|---------| | v6.x (Community) | 6.50.0.0 | Community | | v5.x (LTS) | 5.42.0.0 | Enterprise — contact enterprise@http4k.org (if Digest auth is present in your v5.x line) | | v4.x (LTS) | 4.51.0.0 | Enterprise — contact enterprise@http4k.org (if Digest auth is present in your v4.x line) | The fix: - Rejects credentials whose uri parameter does not match the request URL. Workarounds For deployments that cannot upgrade…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-p28p-j94q-pg32

  2. Revision 1 · created ·

    Published from osv record GHSA-p28p-j94q-pg32

Agent brief

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# Patch Next advisory brief: CVE-2026-54148

Advisory: http4k: `DigestAuthProvider.verify` did not bind to request URI
IDs: CVE-2026-54148, GHSA-p28p-j94q-pg32
Record: https://patchnext.com/advisories/cve-2026-54148 (revision 2, source checked 26 Oct 2026, 16:55 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.http4k:http4k-security-digest 6.50.0.0, 5.42.0.0, 4.51.0.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.http4k:http4k-security-digest: affected >= 6.0.0.0, < 6.50.0.0; >= 5.0.0.0, < 5.42.0.0; >= 4.0.0.0, < 4.51.0.0; fixed in 5.42.0.0, 6.50.0.0, 4.51.0.0

## Suggested inspection (read-only)
- Maven org.http4k:http4k-security-digest: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.http4k:http4k-security-digest.
- 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://osv.dev/vulnerability/GHSA-p28p-j94q-pg32 (OSV record GHSA-p28p-j94q-pg32 lists affected ranges: Maven org.http4k:http4k-security-digest >=6.0.0.0 =5.0.0.0 =4.0.0.0 <4.51.0.0 (fixed))
- Verified: https://github.com/advisories/GHSA-p28p-j94q-pg32 (GitHub-reviewed advisory GHSA-p28p-j94q-pg32 lists affected ranges: Maven org.http4k:http4k-security-digest >=6.0.0.0 =5.0.0.0 =4.0.0.0 <4.51.0.0)

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