What’s Vulnerable › Vulnerabilities

CVE-2026-35178: Workbench Affected by Remote Code Execution (RCE) via Malicious Cookie in Timezone Conversion

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-06 · updated 2026-07-24
• Weakness: CWE-94

Description

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 remote code execution vulnerability in the timezone conversion flow, which processes attacker-controlled cookie values in an unsafe manner. This vulnerability is fixed in 65.0.0.

Affected products

• forceworkbench: before 65.0.0 — fixed in 65.0.0

How to fix

Upgrade to a fixed version: forceworkbench 65.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/forceworkbench/forceworkbench/pull/869
• https://github.com/forceworkbench/forceworkbench/security/advisories/GHSA-jw63-m86r-2jxc

Get alerted when CVE-2026-35178 or the next vulnerability affects your stack