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Vulnerability details: VCID-7w5v-3cp3-ykey
Vulnerability ID VCID-7w5v-3cp3-ykey
Aliases CVE-2026-42245
GHSA-q2mw-fvj9-vvcw
Summary
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-606 Unchecked Input for Loop Condition
CWE-407 Inefficient Algorithmic Complexity
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-42245.json
epss 0.00086 https://api.first.org/data/v1/epss?cve=CVE-2026-42245
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv4 2.3 https://github.com/ruby/net-imap
generic_textual LOW https://github.com/ruby/net-imap
cvssv4 2.3 https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
generic_textual LOW https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
ssvc Track https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
cvssv4 2.3 https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
generic_textual LOW https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
ssvc Track https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
cvssv4 2.3 https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
generic_textual LOW https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
ssvc Track https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
cvssv4 2.3 https://github.com/ruby/net-imap/releases/tag/v0.4.24
generic_textual LOW https://github.com/ruby/net-imap/releases/tag/v0.4.24
ssvc Track https://github.com/ruby/net-imap/releases/tag/v0.4.24
cvssv4 2.3 https://github.com/ruby/net-imap/releases/tag/v0.5.14
generic_textual LOW https://github.com/ruby/net-imap/releases/tag/v0.5.14
ssvc Track https://github.com/ruby/net-imap/releases/tag/v0.5.14
cvssv4 2.3 https://github.com/ruby/net-imap/releases/tag/v0.6.4
generic_textual LOW https://github.com/ruby/net-imap/releases/tag/v0.6.4
ssvc Track https://github.com/ruby/net-imap/releases/tag/v0.6.4
cvssv4 2.3 https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
generic_textual LOW https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
ssvc Track https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
cvssv4 2.3 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2026-42245.yml
generic_textual LOW https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2026-42245.yml
cvssv4 2.3 https://nvd.nist.gov/vuln/detail/CVE-2026-42245
generic_textual LOW https://nvd.nist.gov/vuln/detail/CVE-2026-42245
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-42245.json
https://api.first.org/data/v1/epss?cve=CVE-2026-42245
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/ruby/net-imap
https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
https://github.com/ruby/net-imap/releases/tag/v0.4.24
https://github.com/ruby/net-imap/releases/tag/v0.5.14
https://github.com/ruby/net-imap/releases/tag/v0.6.4
https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2026-42245.yml
https://nvd.nist.gov/vuln/detail/CVE-2026-42245
1136823 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136823
2468495 https://bugzilla.redhat.com/show_bug.cgi?id=2468495
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-42245.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap
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

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/releases/tag/v0.4.24
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/releases/tag/v0.4.24
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/releases/tag/v0.5.14
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/releases/tag/v0.5.14
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/releases/tag/v0.6.4
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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physical

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/releases/tag/v0.6.4
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
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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physical

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present

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passive

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T17:53:55Z/ Found at https://github.com/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2026-42245.yml
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

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passive

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Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-42245
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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Exploit Prediction Scoring System (EPSS)
Percentile 0.24777
EPSS Score 0.00086
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T23:09:50.531396+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0