Critical severity · published Apr 6, 2026
CVE-2026-35178
Workbench Affected by Remote Code Execution (RCE) via Malicious Cookie in Timezone Conversion
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
forceworkbench · forceworkbench
< 65.0.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-35178
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-35178
Issue Tracking
https://github.com/forceworkbench/forceworkbench/pull/869
Vendor Advisory
https://github.com/forceworkbench/forceworkbench/security/advisories/GHSA-jw63-m86r-2jxc
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