Vulnerability · Published Apr 6, 2026 · Assigned by GitHub_M

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

Critical 9.3

In plain English

A critical-severity code injection in forceworkbench from forceworkbench. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical

Exploit odds (30 days)0.5%top 56.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
forceworkbench	forceworkbench	< 65.0.0

Weakness: CWE-94 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

References

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