Nodemailer: nodemailer: email to an unintended domain can occur due to interpretation conflict

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Summary

CVECVE-2025-13033
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-14 20:15:45 UTC
Updated2026-05-11 13:16:10 UTC
DescriptionA vulnerability was identified in the email parsing library due to improper handling of specially formatted recipient email addresses. An attacker can exploit this flaw by crafting a recipient address that embeds an external address within quotes. This causes the application to misdirect the email to the attacker's external address instead of the intended internal recipient. This could lead to a significant data leak of sensitive information and allow an attacker to bypass security filters and access controls.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000310000 probability, percentile 0.089700000 (date 2026-05-12)

Problem Types: CWE-1286 | CWE-1286 Improper Validation of Syntactic Correctness of Input

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nodemailer Nodemailer affected 7.0.7 semver Not specified
CNA Red Hat Red Hat Ceph Storage 8.1 unaffected 1777566546 * rpm Not specified
CNA Red Hat Red Hat Developer Hub 1.9 unaffected 1772573159 * rpm Not specified
CNA Red Hat Red Hat Advanced Cluster Management For Kubernetes 2 Not specified Not specified

References

ReferenceSourceLinkTags
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2026:15979 [email protected] access.redhat.com
github.com/nodemailer/nodemailer [email protected] github.com
access.redhat.com/security/cve/CVE-2025-13033 [email protected] access.redhat.com
github.com/nodemailer/nodemailer/commit/1150d99fba77280df2cfb1885c43df23... [email protected] github.com
github.com/nodemailer/nodemailer/security/advisories/GHSA-mm7p-fcc7-pg87 [email protected] github.com
access.redhat.com/errata/RHSA-2026:3751 [email protected] access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2025-10-07T15:03:14.483ZReported to Red Hat.
CNA2025-10-07T13:42:02.000ZMade public.

Workarounds

CNA: Currently there's no available mitigation for this flaw.

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