CVE-2026-8328
The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplie
CVSS
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Sin CVSS
EPSS
0.5%
p38
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Exploit Today
11
0-100
Publicado: 13 may 2026 · Última mod.: 30 jun 2026 · CWE-918
0.4%EPSS · 30 días0.5%
2026-06-302026-07-17
The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and passes the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.
- github.comhttps://github.com/python/cpython/commit/2bbcf3fb7a420a05605576c0f9468d4675381b5f
- github.comhttps://github.com/python/cpython/commit/5dadc64673ce875ebfb24163907777dae0f6ca06
- github.comhttps://github.com/python/cpython/commit/7d95a1dc7382b55cba7fdd6a110336077584a4f0
- github.comhttps://github.com/python/cpython/commit/bb3446dda6c49b32e67c11dbbbf221b40be00763
- github.comhttps://github.com/python/cpython/commit/c88704431ea3248ca769384c13856330976fac1d
- github.comhttps://github.com/python/cpython/commit/eac4fe3b2c77693790a5ef7dfab127c1fee81bf9
- github.comhttps://github.com/python/cpython/commit/ef12d0dc824baccf737bba1458e5eed3d1e0fceb
- github.comhttps://github.com/python/cpython/issues/87451
- github.comhttps://github.com/python/cpython/pull/149648
- mail.python.orghttps://mail.python.org/archives/list/security-announce@python.org/thread/ITF2BAPBQEPYK3LDMPRSY435JGNHYNDP/
CVECVSSEPSSKEVRExplotTítuloVis.
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——29Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon. This vulnerability allows attackers to access network resources and sensitive information via a crafted GET request.10dCVE-2026-483327.7 ALT95.7%
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