CVE-2026-121881 (GCVE-0-2026-121881)
Vulnerability from cvelistv5 – Published: 2026-11-06 15:10 – Updated: 2026-11-06 17:45
VLAI
EPSS
VEX
Title
Posit Workbench code-server session-state RPC (get_last_seen) SQL injection
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-06 17:20 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
POSIT
CNA
References
2 references
| URL | Tags |
|---|---|
| https://docs.posit.co/ide/news/#rstudio-2026.08.0 | release-notesvendor-advisory |
| https://trust.posit.co/updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Posit Software, PBC | Posit Workbench |
Affected:
0 , < 2026.08.0
(custom)
cpe:2.3:a:posit:workbench:*:*:*:*:*:*:*:* |
Date Public
2026-11-04 00:00
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
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- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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