CVE-2026-44599
Published: 07 May 2026
Summary
CVE-2026-44599 is a low-severity Incorrect Resource Transfer Between Spheres (CWE-669) vulnerability in Torproject Tor. Its CVSS base score is 3.7 (Low).
Operationally, ranked at the 20.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-28238
Vulnerability details
Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Insufficient information to map techniques.CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Enforces proper authorization rules for any resource or data transfer between different spheres.
Accountability, documentation, and protection requirements ensure correct transfer of media resources between spheres.
Reduces incorrect transfers between spheres by establishing clear, separate domains for different sensitivities or functions.
It governs all resource transfers between spheres, preventing incorrect or unauthorized movement of data or capabilities across domain interfaces.
Addresses incorrect transfer of resources to an uncontrolled sphere by requiring approved destruction or sanitization methods.
Hardening callouts derived
Configuration rules from DISA STIG baselines that reduce the attack surface for weaknesses of the type cited by this CVE. Derived transitively via CVE→CWE→STIG over `controls_xwalks` (authoritative rows only).
Oracle Linux 9 (1 rule)
- V-271462 OL 9 must not have a File Transfer Protocol (FTP) server package installed. via CWE-669
RHEL 7 (1 rule)
- V-204442 The Red Hat Enterprise Linux operating system must not have the rsh-server package installed. via CWE-669