PT-2026-37214 · Opencti · Opencti

Souadhadjiat · Published 2026-05-05 · Updated 2026-05-13 · CVE-2026-27960

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenCTI versions 6.6.0 through 6.9.12

Description OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. A privilege escalation issue allows unauthenticated attackers to query the API as any existing user, including the default admin account.

Recommendations Update to version 6.9.13. As a temporary workaround, disable the default admin using the APP ADMIN EXTERNALLY MANAGED configuration.

Fix

LPE

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-27960

PYSEC-2026-119

Affected Products

Opencti

References · 14

• https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrx · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-119 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27960 · Security Note
• https://twitter.com/polsia/status/2052326523798163485 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2051856831778099382 · Twitter Post
• https://t.me/cveNotify/163209 · Telegram Post
• https://twitter.com/CCBalert/status/2052031410395832726 · Twitter Post
• https://twitter.com/CVEnew/status/2051741654596346254 · Twitter Post
• https://twitter.com/lyrie_ai/status/2053733270043398446 · Twitter Post
• https://twitter.com/integ_sec/status/2054573778164756788 · Twitter Post
• https://twitter.com/lyrie_ai/status/2053733269254946856 · Twitter Post
• https://reddit.com/r/pwnhub/comments/1t5bydy/critical_vulnerability_in_opencti_allows · Reddit Post
• https://twitter.com/KaitanSecurity/status/2051746258990088622 · Twitter Post
• https://twitter.com/lyrie_ai/status/2053733271758836079 · Twitter Post