NVD / CVE Program· CNA drupal

CVE-2026-55806: Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007

MediumCVSS 5.9 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 23/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.33% (FIRST EPSS).
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. Special conditions such as timing or configuration are required.
Fixed version: Drupal Drupal core 10.5.12, 10.6.11, 11.0.*.

Low priority for now. Upgrade to Drupal Drupal core 10.5.12, 10.6.11, 11.0.* or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

DRUPAL-CORE-2026-007

Published: Jul 10, 2026
Updated: Oct 25, 2026
EPSS: 0.3% · 27th percentile
CWE: CWE-601

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 23 / 40 · 5.9 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.3%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
drupal	drupal	cpe:2.3:a:drupal:drupal

Versions reported by the vendor

Affected version ranges reported by the assigning authority (drupal). Independent of NVD's CPE analysis and usually ahead of it.

Drupal Drupal core
- 0.0.0 and later · before 10.5.12affected · semver
- 10.6.0 and later · before 10.6.11affected · semver
- 11.2.0 and later · before 11.2.14affected · semver
- 11.3.0 and later · before 11.3.12affected · semver
- 0.0.0 and later · before 11.0.*affected · semver
- 0.0.0 and later · before 11.1.*affected · semver

Affected versions · NVD (4)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

drupal drupalbefore 10.5.12
drupal drupal10.6.0 and later · before 10.6.11
drupal drupal11.0.0 and later · before 11.2.14
drupal drupal11.3.0 and later · before 11.3.12

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Packagist	drupal/core	from 10.6.0 · before 10.6.11	10.6.11
Packagist	drupal/core	from 11.0.0 · before 11.1.0	11.1.0
Packagist	drupal/core	from 11.1.0 · before 11.2.0	11.2.0
Packagist	drupal/core	from 11.2.0 · before 11.2.14	11.2.14
Packagist	drupal/core	from 11.3.0 · before 11.3.12	11.3.12
Packagist	drupal/core	before 10.5.12	10.5.12

Same product

drupal: all records

Other highest-scoring records for the same primary product.

CVE-2018-7602Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004KEV
99Now
CVE-2018-7600Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6, and 8.5.x before 8.5.1 allows remote attackers to execute arbitrary code because…KEV
99Now
CVE-2026-9082Drupal core - Highly critical - SQL injection - SA-CORE-2026-004KEV
96Now

Published before and after this one in the same product

← EarlierCVE-2026-55803Jul 10, 2026 · Drupal core - Critical - PHP object injection - SA-CORE-2026-005
23Monitor
← EarlierCVE-2026-55804Jul 10, 2026 · Drupal core - Moderately critical - Gadget chain - SA-CORE-2026-006
23Monitor
Later →CVE-2026-55807Jul 10, 2026 · Drupal core - Moderately critical - Server-side request forgery - SA-CORE-2026-008
12Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
Drupal Drupal core	10.5.12	Vendor (CNA)
Drupal Drupal core	10.6.11	Vendor (CNA)
Drupal Drupal core	11.0.*	Vendor (CNA)
Drupal Drupal core	11.1.*	Vendor (CNA)
Drupal Drupal core	11.2.14	Vendor (CNA)
Drupal Drupal core	11.3.12	Vendor (CNA)
Packagist:drupal/core	10.5.12	Package registry (OSV)
Packagist:drupal/core	10.6.11	Package registry (OSV)
Packagist:drupal/core	11.1.0	Package registry (OSV)
Packagist:drupal/core	11.2.0	Package registry (OSV)
Packagist:drupal/core	11.2.14	Package registry (OSV)
Packagist:drupal/core	11.3.12	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.