CVE-2026-31233
RCE via unvalidated post_install script in Guardrails Hub install.
Is CVE-2026-31233 being exploited?
Not confirmed. CVE-2026-31233 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-31233?
CVE-2026-31233 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-31233?
Not known from our data. No patch reference has been recorded for CVE-2026-31233, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-31233 affect?
CVE-2026-31233 affects Guardrails AI Hub (0.6.7 and earlier). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-31233?
Upgrade Hub to fixed version; verify package sources.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE during hub package installation; attacker can execute arbitrary code on target.
Patch when possible