Canvas up to 1.1.0 on Drupal server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Canvas up to 1.1.0 on Drupal. It has been rated as critical. Impacted is an unknown function. The manipulation leads to server-side request forgery. This vulnerability is documented as CVE-2026-3216. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Canvas up to 1.1.0 on Drupal. This issue affects an unknown function. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Server-Side Request Forgery (SSRF) vulnerability in Drupal Drupal Canvas allows Server Side Request Forgery.This issue affects Drupal Canvas: from 0.0.0 before 1.1.1.

The weakness was released by Drew Webber as sa-contrib-2026-017. It is possible to read the advisory at drupal.org. The identification of this vulnerability is CVE-2026-3216 since 02/25/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.1.1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.0
NVD Vector: 🔒

ADP CISA Base Score: 5.0
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Canvas 1.1.1

Timelineinfo

02/25/2026 CVE reserved
03/25/2026 +28 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
03/31/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: sa-contrib-2026-017
Researcher: Drew Webber
Status: Confirmed

CVE: CVE-2026-3216 (🔒)
GCVE (CVE): GCVE-0-2026-3216
GCVE (VulDB): GCVE-100-353171

Entryinfo

Created: 03/25/2026 17:20
Updated: 03/31/2026 23:00
Changes: 03/25/2026 17:20 (56), 03/31/2026 05:06 (12), 03/31/2026 23:00 (11)
Complete: 🔍
Cache ID: 216::103

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