CVE-2026-109959

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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 2026-10-13.

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

2026-10-13 13:27Z15 DAYS AGO

Last updated

2026-10-13 16:43Z15 DAYS AGO

Reserved

2026-10-13

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.2

Document digest

796558931974ec1a15dee4c90f05f52866b69c3937f33569be45ce1186ce21f5

• github.comGitHub Security Advisory (GHSA-mr36-xx82-qf6h)https://github.com/espocrm/espocrm/security/advisories/GHSA-mr36-xx82-qf6hvendor-advisory
• www.vulncheck.comVulnCheck Advisory: EspoCRM 4.0.0 before 10.0.7 Field-Level Security Bypass via Note Read Endpointhttps://www.vulncheck.com/advisories/espocrm-4.0.0-before-10.0.7-field-level-security-bypass-via-note-read-endpointthird-party-advisory