SQL injection vulnerability in the get_last_seen code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows authenticated users to read arbitrary data from the Workbench database via the sessionIds parameter.



NOTE: exploitation requires a valid authenticated session; no administrative privileges are needed. The vulnerability is limited to disclosure of database contents.

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Advisories

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Fixes

Solution

Upgrade to Posit Workbench 2026.08.0 or later. The patched release binds the caller-supplied session identifiers as query parameters instead of concatenating them into the SQL statement.


Workaround

No workaround given by the vendor.

History

Fri, 06 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description SQL injection vulnerability in the get_last_seen code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows authenticated users to read arbitrary data from the Workbench database via the sessionIds parameter. NOTE: exploitation requires a valid authenticated session; no administrative privileges are needed. The vulnerability is limited to disclosure of database contents.
Title Posit Workbench code-server session-state RPC (get_last_seen) SQL injection
First Time appeared Posit
Posit workbench
Weaknesses CWE-89
CPEs cpe:2.3:a:posit:workbench:*:*:*:*:*:*:*:*
Vendors & Products Posit
Posit workbench
References
Metrics cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/AU:Y/R:A/V:C/RE:M/U:Amber'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: POSIT

Published:

Updated: 2026-11-06T17:45:42.672Z

Reserved: 2026-11-04T10:49:23.575Z

Link: CVE-2026-121881

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T16:17:53.160

Modified: 2026-11-06T16:17:53.160

Link: CVE-2026-121881

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T17:15:06Z

Weaknesses