CVE-2026-58587: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal D

Routine

MEDIUM 6.1UPGRADE

CVE-2026-58587 is a medium-severity flaw (CVSS 6.1) affecting drupal canvas. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal Canvas allows Cross-Site Scripting (XSS). This issue affects Drupal Canvas versions: from 0.0.0 to 1.4.2, from 1.5.0 to 1.5.2, from 1.6.0 to 1.6.1, from 1.7.0 to 1.7.1.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-10
Last modified	2026-10-25

Publisher (CNA): Drupal.org · Vendor: drupal canvas project

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 22:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

drupal canvas project drupal canvas UPGRADE

Affected: < 1.4.2 · >= 1.5.0 and < 1.5.2 · >= 1.6.0 and < 1.6.1 · >= 1.7.0 and < 1.7.1

Fixed in: 1.4.2, 1.5.2, 1.6.1, 1.7.1

Safe to downgrade to: a release before 1.5.0

1. Check installed version

apt-cache policy drupal-canvas || rpm -q drupal-canvas || drupal-canvas --version

2. UPGRADE to 1.4.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade drupal-canvas

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade drupal-canvas

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.5.0 (Debian / Ubuntu)

apt-cache madison drupal-canvas sudo apt install drupal-canvas=<VERSION_BEFORE_1.5.0> sudo apt-mark hold drupal-canvas

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list drupal-canvas sudo dnf downgrade drupal-canvas-<VERSION_BEFORE_1.5.0> sudo dnf versionlock add drupal-canvas

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-58587?

drupal canvas: upgrade to 1.4.2, 1.5.2, 1.6.1, 1.7.1. Exact commands for each OS are on this page.

Is CVE-2026-58587 being exploited?

CVE-2026-58587 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-58587 affect?

CVE-2026-58587 affects drupal canvas. Severity is medium (CVSS 6.1). Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal Canvas allows Cross-Site Scripting (XSS). This issue affects Drupal Canvas versions: from 0.0.0 to 1.4.2, from 1.5.0 to 1.5.

How urgent is CVE-2026-58587?

Priority 26/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2026-58588 MEDIUM 6.1 UPGRADE Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal D

References

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