Posit Software, PBC
CVE-2026-121881: 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 user
CVE-2026-121881 Nov 6, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-121881
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Credited
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CVE-2026-121881
BR2026-0000-043002
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Credited as the Job Launcher, and the tooltip retains the reported failure reason when
CVE-2026-121881
BR2026-0000-043003
unclaimed
Credited as the server are no longer completely hidden on the home page; rather, they are flagged as potentially moved or deleted (r
CVE-2026-121881
BR2026-0000-043004
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Credited as RStudio
CVE-2026-121881
BR2026-0000-043005
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Credited as RStudio (#8852
CVE-2026-121881
BR2026-0000-043006
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Credited as Luiz Felipe Mol (Paldata S
CVE-2026-121881
BR2026-0000-043007
unclaimed
Credited as Mykola Grymalyuk of RIPEDA Consulting for reporting this
CVE-2026-121881
BR2026-0000-043008
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Credited as Paul Kaefer
CVE-2026-121881
BR2026-0000-043009
unclaimed
Credited as Jan Gleixner
CVE-2026-121881
BR2026-0000-043010
unclaimed
Credited as Dirk Schumacher
CVE-2026-121881
BR2026-0000-043011
unclaimed
Credited as Kevin Ushley