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Vulnerability details: VCID-jkre-jzxx-bfc6
Vulnerability ID VCID-jkre-jzxx-bfc6
Aliases CVE-2026-47241
GHSA-c4fp-cxrr-mj66
Summary Net::IMAP: Denial of Service via incomplete raw argument validation
Status Published
Exploitability 0.5
Weighted Severity 2.7
Risk 1.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-162 Improper Neutralization of Trailing Special Elements
CWE-182 Collapse of Data into Unsafe Value
CWE-186 Overly Restrictive Regular Expression
System Score Found at
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2026-47241
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2026-47241
epss 0.00438 https://api.first.org/data/v1/epss?cve=CVE-2026-47241
cvssv3.1_qr LOW https://github.com/advisories/GHSA-c4fp-cxrr-mj66
cvssv4 2.1 https://github.com/ruby/net-imap
generic_textual LOW https://github.com/ruby/net-imap
cvssv4 2.1 https://github.com/ruby/net-imap/releases/tag/v0.6.4.1
generic_textual LOW https://github.com/ruby/net-imap/releases/tag/v0.6.4.1
cvssv3.1_qr LOW https://github.com/ruby/net-imap/security/advisories/GHSA-c4fp-cxrr-mj66
cvssv4 2.1 https://github.com/ruby/net-imap/security/advisories/GHSA-c4fp-cxrr-mj66
generic_textual LOW https://github.com/ruby/net-imap/security/advisories/GHSA-c4fp-cxrr-mj66
cvssv3 2.1 https://www.cve.org/CVERecord?id=CVE-2026-47241
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-47241
https://github.com/ruby/net-imap
https://github.com/ruby/net-imap/releases/tag/v0.6.4.1
https://www.cve.org/CVERecord?id=CVE-2026-47241
GHSA-c4fp-cxrr-mj66 https://github.com/advisories/GHSA-c4fp-cxrr-mj66
GHSA-c4fp-cxrr-mj66 https://github.com/ruby/net-imap/security/advisories/GHSA-c4fp-cxrr-mj66
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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

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

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/ruby/net-imap/releases/tag/v0.6.4.1
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

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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-c4fp-cxrr-mj66
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

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.63659
EPSS Score 0.00438
Published At June 12, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:39:01.509113+00:00 GHSA Importer Import https://github.com/advisories/GHSA-c4fp-cxrr-mj66 38.6.0