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Vulnerability details: VCID-pqjc-vk4e-mbe8
Vulnerability ID VCID-pqjc-vk4e-mbe8
Aliases CVE-2026-40099
GHSA-w942-j9r6-hr6r
Summary
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-863 Incorrect Authorization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00028 https://api.first.org/data/v1/epss?cve=CVE-2026-40099
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-w942-j9r6-hr6r
cvssv4 5.3 https://github.com/getkirby/kirby
generic_textual MODERATE https://github.com/getkirby/kirby
cvssv4 5.3 https://github.com/getkirby/kirby/releases/tag/4.9.0
generic_textual MODERATE https://github.com/getkirby/kirby/releases/tag/4.9.0
ssvc Track https://github.com/getkirby/kirby/releases/tag/4.9.0
cvssv4 5.3 https://github.com/getkirby/kirby/releases/tag/5.4.0
generic_textual MODERATE https://github.com/getkirby/kirby/releases/tag/5.4.0
ssvc Track https://github.com/getkirby/kirby/releases/tag/5.4.0
cvssv3.1_qr MODERATE https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
cvssv4 5.3 https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
generic_textual MODERATE https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
ssvc Track https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
cvssv4 5.3 https://nvd.nist.gov/vuln/detail/CVE-2026-40099
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-40099
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-40099
https://github.com/getkirby/kirby
https://github.com/getkirby/kirby/releases/tag/4.9.0
https://github.com/getkirby/kirby/releases/tag/5.4.0
https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
https://nvd.nist.gov/vuln/detail/CVE-2026-40099
GHSA-w942-j9r6-hr6r https://github.com/advisories/GHSA-w942-j9r6-hr6r
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/releases/tag/4.9.0
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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none

present

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passive

active

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-25T01:41:45Z/ Found at https://github.com/getkirby/kirby/releases/tag/4.9.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/releases/tag/5.4.0
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

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passive

active

high

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none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-25T01:41:45Z/ Found at https://github.com/getkirby/kirby/releases/tag/5.4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-25T01:41:45Z/ Found at https://github.com/getkirby/kirby/security/advisories/GHSA-w942-j9r6-hr6r
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-40099
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

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low

none

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low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.08429
EPSS Score 0.00028
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T23:09:23.126532+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0