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CVE-2026-121881 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://docs.posit.co/ide/news/#rstudio-2026.08.0	8c484e69-127d-402b-9cdb-5f86ef43eb86
https://trust.posit.co/updates	8c484e69-127d-402b-9cdb-5f86ef43eb86

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-89	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')	8c484e69-127d-402b-9cdb-5f86ef43eb86

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 6, 2026	CVE Modified	CISA-ADP
Nov 6, 2026	New CVE Received	8c484e69-127d-402b-9cdb-5f86ef43eb86