CVE-2026-34951: Workbench is a suite of tools for administrators and developers to interact with Salesforce.com organizations

Q: How do I fix CVE-2026-34951?

workbench: upgrade to 65.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-34951 being exploited?

CVE-2026-34951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34951 affect?

CVE-2026-34951 affects workbench. Severity is medium (CVSS 6.1). Workbench is a suite of tools for administrators and developers to interact with Salesforce.com organizations via the Force.com APIs. Prior to 65.0.0, Workbench contains a reflected cross-site scripting vulnerability via the footerScripts p

Q: How urgent is CVE-2026-34951?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-34951 is a medium-severity flaw (CVSS 6.1) affecting workbench. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Workbench is a suite of tools for administrators and developers to interact with Salesforce.com organizations via the Force.com APIs. Prior to 65.0.0, Workbench contains a reflected cross-site scripting vulnerability via the footerScripts parameter, which does not sanitize user-supplied input before rendering it in the page response. Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Workbench al

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 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-04-06
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc. · Vendor: salesforce

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 16:16 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

salesforce workbench UPGRADE

Affected: < 65.0.0

Fixed in: 65.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy workbench || rpm -q workbench || workbench --version

2. UPGRADE to 65.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade workbench

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade workbench

Note

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

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-2026-34951?

workbench: upgrade to 65.0.0. Exact commands for each OS are on this page.

Is CVE-2026-34951 being exploited?

CVE-2026-34951 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-2026-34951 affect?

CVE-2026-34951 affects workbench. Severity is medium (CVSS 6.1). Workbench is a suite of tools for administrators and developers to interact with Salesforce.com organizations via the Force.com APIs. Prior to 65.0.0, Workbench contains a reflected cross-site scripting vulnerability via the footerScripts p

How urgent is CVE-2026-34951?

Priority 25/100. No elevated risk signals yet.

Software pages

Salesforce vulnerabilities

References

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