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Medium 5.9Published Jan 20, 2026
CVE-2025-15366The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
- CVSS
- 5.9 MEDIUM (v4.0, NVD)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/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
- Weakness (CWE)
- CWE-77
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://github.com/python/cpython/commit/298182272a740ce2016aee2f54acbd0bba1944c1
- https://github.com/python/cpython/commit/6262704b134db2a4ba12e85ecfbd968534f28b45
- https://github.com/python/cpython/commit/71926d943c05bde79bd2a866933103541d91b6a2
- https://github.com/python/cpython/commit/d0921efb665aff26b378f495e5ff84f7e3fe649d
- https://github.com/python/cpython/commit/f2cd7ef89aa8a0dcbc7283bbd39548b76f2a736a
- 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/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.