[UPDATE] [high] OpenCTI: Vulnerability allows obtaining administrator rights
A remote, anonymous attacker can exploit a vulnerability in OpenCTI to gain administrator rights.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit a vulnerability in OpenCTI to gain administrator rights.
- Who is affected
- Deployments of OpenCTI are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability allowing privilege escalation.
- Action
- Apply the latest security patch to mitigate the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1357
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-279600.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-27960 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for OpenCTI
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [high] OpenCTI: Vulnerability allows bypassing security measurescert-bund · 2026-07-28
- medium[NEW] [medium] OpenCTI: Vulnerability allows bypassing security measures and information disclosurecert-bund · 2026-07-27
- medium[NEW] [medium] OpenCTI: Vulnerability allows Denial of Servicecert-bund · 2026-07-09
- medium[UPDATE] [medium] OpenCTI: Vulnerability allows bypassing security measurescert-bund · 2026-07-09
- mediumCVE-2026-35211: OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observ…nvd · 2026-07-08
- highCVE-2026-35210: OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observ…nvd · 2026-07-08
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