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Vulnerability details: VCID-mykp-v2xy-kuh4
Vulnerability ID VCID-mykp-v2xy-kuh4
Aliases CVE-2026-42069
GHSA-2h7v-4372-f6x2
Summary Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, read access to site, user and role information is not gated by permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-862 Missing 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 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-42069
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-42069
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-42069
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-2h7v-4372-f6x2
cvssv4 7.1 https://github.com/getkirby/kirby
generic_textual HIGH https://github.com/getkirby/kirby
cvssv4 7.1 https://github.com/getkirby/kirby/releases/tag/4.9.0
generic_textual HIGH https://github.com/getkirby/kirby/releases/tag/4.9.0
ssvc Track https://github.com/getkirby/kirby/releases/tag/4.9.0
cvssv4 7.1 https://github.com/getkirby/kirby/releases/tag/5.4.0
generic_textual HIGH 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 HIGH https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
cvssv4 7.1 https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
generic_textual HIGH https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
ssvc Track https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
cvssv4 7.1 https://nvd.nist.gov/vuln/detail/CVE-2026-42069
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-42069
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-42069
https://github.com/getkirby/kirby
https://nvd.nist.gov/vuln/detail/CVE-2026-42069
4.9.0 https://github.com/getkirby/kirby/releases/tag/4.9.0
5.4.0 https://github.com/getkirby/kirby/releases/tag/5.4.0
GHSA-2h7v-4372-f6x2 https://github.com/advisories/GHSA-2h7v-4372-f6x2
GHSA-2h7v-4372-f6x2 https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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)

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

high

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present

none

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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/2026-05-12T13:32:21Z/ 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:H/VI:N/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

low

high

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passive

active

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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/2026-05-12T13:32:21Z/ 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:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T13:32:21Z/ Found at https://github.com/getkirby/kirby/security/advisories/GHSA-2h7v-4372-f6x2
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-42069
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

high

low

none

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low

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low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.09011
EPSS Score 0.0003
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:44:14.781030+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/42xxx/CVE-2026-42069.json 38.6.0