CVE-2025-15366

EUVD-2025-206304
The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PSFCNA
5.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
pythoncpython
𝑥
< 3.15.0a6
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/python/cpython/commit/6262704b134db2a4ba12e85ecfbd968534f28b45
https://github.com/python/cpython/issues/143921
https://github.com/python/cpython/pull/143922
https://mail.python.org/archives/list/security-announce@python.org/thread/DD7C7JZJYTBXMDOWKCEIEBJLBRU64OMR/