VIR Vulnerability Intelligence Relay

CVE-2026-42258

critical
Published 2026-05-04 · Modified 2026-05-14
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
5.8
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:L/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
VIR risk
9.8

Description

net-imap vulnerable to command Injection via unvalidated Symbol inputs

Predictions

Exploit likelihood
97%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
debian Debian Affected 5 releases
VersionStatusFixed in
trixie Affected —
sid Affected —
forky Affected —
bullseye Affected —
bookworm Affected —
windows Windows Affected 1 release
VersionStatusFixed in
— Affected —

Package impact
EcosystemPackageVulnerableFixed
ruby RubyGemsnet-imap<~> 0.4.24~> 0.4.24
ruby RubyGemsnet-imap>=0.6.0,<0.6.40.6.4
ruby RubyGemsnet-imap>=0.5.0,<0.5.140.5.14
ruby RubyGemsnet-imap<0.4.240.4.24
ruby RUBYGEMSnet-imap>= 0, <= 0.4.230.4.24
ruby RUBYGEMSnet-imap>= 0.5.0, <= 0.5.130.5.14
ruby RUBYGEMSnet-imap>= 0.6.0, <= 0.6.30.6.4

Application impact
VendorProductVersionsFixed
ruby ruby-langnet\{"endExcluding":"0.4.24"}0.4.24

References

CWEs

CWE-77 CWE-93

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.