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High, CVSS 7.5

Drupal Incorrect cache context on password reset page

CVE-2016-9450GHSA-98w5-wqp9-w466

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (drupal/core 8.2.3; drupal/drupal 8.2.3), 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
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
  • CVE-2016-9450: 1.00% estimated exploitation activity in the next 30 days; percentile 63.01 (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.

The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.

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

    Published from ghsa record GHSA-98w5-wqp9-w466

Agent brief

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# Patch Next advisory brief: CVE-2016-9450

Advisory: Drupal Incorrect cache context on password reset page
IDs: CVE-2016-9450, GHSA-98w5-wqp9-w466
Record: https://patchnext.com/advisories/cve-2016-9450 (revision 1, source checked 26 Oct 2026, 14:19 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: drupal/core 8.2.3; drupal/drupal 8.2.3. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist drupal/core: affected >= 8.0, < 8.2.3; fixed in 8.2.3
- Packagist drupal/drupal: affected >= 8.0, < 8.2.3; fixed in 8.2.3

## Suggested inspection (read-only)
- Packagist drupal/core: check the installed version with your package manager.
- Packagist drupal/drupal: 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 drupal/core, drupal/drupal.
- 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-98w5-wqp9-w466 (GitHub-reviewed advisory GHSA-98w5-wqp9-w466 lists affected ranges: Packagist drupal/core >=8.0 =8.0 <8.2.3)

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