HIGHCVSS v3.1 7.2Vulnerability
CVE-2026-121946
zbateson mail-mime-parser before 3.0.9 and 4.x before 4.0.6 contains a CRLF header injection vulnerability in message-building helpers that fail to strip CR and LF characters. Attackers supplying crafted MIME type, charset, encoding, micalg, or protocol values can inject extra header lines such as a forged Bcc into outgoing messages.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-04T13:33:26.764955+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.2
- Retrieved at
- 2026-11-04T13:34:19+00:00
- Score
- 7.2
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121946
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- First seen by Signal
- 2026-11-04T13:34:19+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Published at
- 2026-11-04T13:17:29.477
- Last modified
- 2026-11-04T13:17:29.477
Related Entities (1)
HAS_WEAKNESS (1)
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