Is there a public exploit for CVE-2026-121881?

No public exploit for CVE-2026-121881 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121881?

CVE-2026-121881 scores CVSS 5.7 (v4.0), rated medium.

What does CVE-2026-121881 affect?

CVE-2026-121881 affects Posit Software, PBC Posit Workbench.

5.7 Medium

SQL injection vulnerability in the getlastseen code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows…

CVE-2026-121881

SQL injection vulnerability in the getlastseen 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.

Assessment

CVSS: 5.7 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 6 November 2026
Last updated: 6 November 2026
Affected: Posit Software, PBC · Posit Workbench
Assigner: POSIT

CVSS vectorCVSS: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

At the source

EUVD (ENISA)

References

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