CVE-2026-108729

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 21.6% of scored records. A rank, not a probability.

NVD base score

8.2 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-11 12:19Z17 DAYS AGO

Last updated

2026-10-14 13:26Z14 DAYS AGO

Reserved

2026-10-11

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

94abc5638e7ac68c3cf349e94eb00e49737cf5dd7c1740c54b5a1fb132dcdb58

• hackmd.iohttps://hackmd.io/@haind03/corteza-attachment-kind-confusion-unauth-readthird-party-advisory
• github.comhttps://github.com/cortezaproject/corteza/blob/3835dfc4ac8bd89381753f09042ad147a4502576/server/compose/rest/attachment.go#L79-L122technical-description
• github.comhttps://github.com/cortezaproject/corteza/blob/3835dfc4ac8bd89381753f09042ad147a4502576/server/compose/service/attachment.go#L123-L142technical-description
• github.comhttps://github.com/cortezaproject/corteza/commit/3b68aa30c7261f729fcf8202f3eab9cf7d9168d3patch
• github.comhttps://github.com/cortezaproject/cortezaproduct
• www.vulncheck.comVulnCheck Advisory: Corteza through 2024.9.10 Unauthenticated Attachment Access via Compose Attachment Endpointshttps://www.vulncheck.com/advisories/corteza-through-2024.9.10-unauthenticated-attachment-access-via-compose-attachment-endpointsthird-party-advisory