DECIPHERU · INTELLIGENCECVE

ByJulian Calvo, Ed.D.Founder, DecipherU
HIGHCVENovember 6, 2026

CVE-2026-123783, Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authe...

Source: nvd.nist.gov (CVE-2026-123783) · November 6, 2026
DecipherU Intelligence aggregates cybersecurity developments from government databases, official filings, and authoritative sources. The summary below is written by DecipherU and does not represent the views of the original source. For full details, follow the source link.

Summary

Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authenticated users to execute code by reconstructing functions from raw bytecode with types.CodeType. Attackers can deploy scripts that evade the is_safe_script_code AST denylist and import blocked modules such as subprocess or socket to run code in the Skyvern server process.

Relevant Roles

incident-respondersoc-analystpenetration-tester

For the full cve details, visit the original source.

Read Original Source: nvd.nist.gov
Source: nvd.nist.gov, November 6, 2026. This summary is DecipherU's original writing. For complete details, follow the source link above. This page is for informational purposes only and does not constitute security advice.

Sources

  1. NIST National Vulnerability Database (NVD) · Authoritative CVE records and CVSS scoring.
  2. CISA Advisories · Public-domain US Cybersecurity and Infrastructure Security Agency alerts.
  3. DecipherU Live Feeds · DecipherU aggregates and curates these cybersecurity intelligence items.
Last verified: November 6, 2026?Report an inaccuracy
CVE-2026-123783, Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authe... Cybersecurity Intelligence