Medium severityNVD Advisory· Published May 13, 2026· Updated Jun 10, 2026
CVE-2026-8328
CVE-2026-8328
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14(expand)+ 1 more
- (no CPE)
- (no CPE)
- osv-coords12 versionspkg:apk/chainguard/python-3.10pkg:apk/chainguard/python-3.11pkg:apk/chainguard/python-3.12pkg:apk/chainguard/python-3.14pkg:apk/wolfi/python-3.10pkg:apk/wolfi/python-3.11pkg:apk/wolfi/python-3.12pkg:apk/wolfi/python-3.14pkg:bitnami/libpythonpkg:bitnami/pythonpkg:bitnami/python-minpkg:rpm/opensuse/python315&distro=openSUSE%20Tumbleweed
< 3.10.20-r7+ 11 more
- (no CPE)range: < 3.10.20-r7
- (no CPE)range: < 3.11.15-r5
- (no CPE)range: < 3.12.13-r6
- (no CPE)range: < 3.14.5-r1
- (no CPE)range: < 3.10.20-r7
- (no CPE)range: < 3.11.15-r5
- (no CPE)range: < 3.12.13-r6
- (no CPE)range: < 3.14.5-r1
- (no CPE)range: < 3.13.14
- (no CPE)range: < 3.13.14
- (no CPE)range: < 3.13.14
- (no CPE)range: < 3.15.0~b2-1.1
Patches
Vulnerability mechanics
References
8- github.com/python/cpython/commit/5dadc64673ce875ebfb24163907777dae0f6ca06nvd
- github.com/python/cpython/commit/7d95a1dc7382b55cba7fdd6a110336077584a4f0nvd
- github.com/python/cpython/commit/bb3446dda6c49b32e67c11dbbbf221b40be00763nvd
- github.com/python/cpython/commit/c88704431ea3248ca769384c13856330976fac1dnvd
- github.com/python/cpython/commit/eac4fe3b2c77693790a5ef7dfab127c1fee81bf9nvd
- github.com/python/cpython/issues/87451nvd
- github.com/python/cpython/pull/149648nvd
- mail.python.org/archives/list/security-announce@python.org/thread/ITF2BAPBQEPYK3LDMPRSY435JGNHYNDP/nvd
News mentions
0No linked articles in our index yet.