Cyber Resilience

CVE-2026-56247

HighPublic PoC

Published: 30 June 2026

Published
30 June 2026
Modified
01 July 2026
KEV Added
Patch
CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0030 22.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-56247 is a high-severity Incorrect Privilege Assignment (CWE-266) vulnerability. Its CVSS base score is 8.7 (High).

Operationally, ranked at the 22.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Capgo before 12.128.2 allows org admins to assign org-scoped RBAC roles at app scope without validating role scope compatibility, including to pending invitees. Attackers can pre-seed malformed high-privilege bindings that survive invite acceptance, enabling accepted low-privilege users to perform unauthorized…

more

privileged app actions.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-69179Shared CWE-266
CVE-2026-22337Shared CWE-266
CVE-2026-22267Shared CWE-266
CVE-2025-26523Shared CWE-266
CVE-2024-32555Shared CWE-266
CVE-2024-31912Shared CWE-266
CVE-2025-60211Shared CWE-266
CVE-2022-3826Shared CWE-266
CVE-2023-28956Shared CWE-266
CVE-2025-4493Shared CWE-266

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.

addresses: CWE-266

Designation of a manager and policy dissemination ensures privileges are assigned according to defined roles.

addresses: CWE-266

Regular reviews catch incorrect privilege assignments to users, roles, or processes.

addresses: CWE-266

Explicitly specifying privileges and group/role memberships for accounts reduces the risk of incorrect privilege assignments.

addresses: CWE-266

The control requires explicit definition of separated access authorizations, making incorrect privilege assignments that bundle conflicting duties harder to implement.

addresses: CWE-266

Ensures privileges are assigned only as necessary rather than incorrectly over-granted.

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 8 (1 rule)
  • V-248551 A sticky bit must be set on all OL 8 public directories to prevent unauthorized and unintended information transferred via shared system resources. via CWE-266
Oracle Linux 9 (1 rule)
  • V-271779 OL 9 must be configured so that a sticky bit must be set on all public directories. via CWE-266
RHEL 8 (1 rule)
  • V-230243 A sticky bit must be set on all RHEL 8 public directories to prevent unauthorized and unintended information transferred via shared system resources. via CWE-266
RHEL 9 (1 rule)
  • V-257929 A sticky bit must be set on all RHEL 9 public directories. via CWE-266
Ubuntu 22.04 (2 rules)
  • V-260559 Ubuntu 22.04 LTS must ensure only users who need access to security functions are part of sudo group. via CWE-266
  • V-260513 Ubuntu 22.04 LTS must set a sticky bit on all public directories to prevent unauthorized and unintended information transferred via shared system resources. via CWE-266
Ubuntu 24.04 (2 rules)
  • V-270748 Ubuntu 24.04 LTS must ensure only users who need access to security functions are part of sudo group. via CWE-266
  • V-270750 Ubuntu 24.04 LTS must set a sticky bit on all public directories to prevent unauthorized and unintended information transferred via shared system resources. via CWE-266

References