High severityNVD Advisory· Published Apr 13, 2026· Updated Apr 29, 2026
CVE-2026-4786
CVE-2026-4786
Description
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
62- osv-coords61 versionspkg:apk/chainguard/python-3.10pkg:apk/chainguard/python-3.11pkg:apk/chainguard/python-3.13pkg:apk/chainguard/python-3.14pkg:apk/wolfi/python-3.10pkg:apk/wolfi/python-3.11pkg:apk/wolfi/python-3.13pkg:apk/wolfi/python-3.14pkg:bitnami/libpythonpkg:bitnami/pythonpkg:bitnami/python-minpkg:rpm/almalinux/platform-pythonpkg:rpm/almalinux/platform-python-debugpkg:rpm/almalinux/platform-python-develpkg:rpm/almalinux/python3pkg:rpm/almalinux/python3.11pkg:rpm/almalinux/python3.11-debugpkg:rpm/almalinux/python3.11-develpkg:rpm/almalinux/python3.11-idlepkg:rpm/almalinux/python3.11-libspkg:rpm/almalinux/python3.11-rpm-macrospkg:rpm/almalinux/python3.11-testpkg:rpm/almalinux/python3.11-tkinterpkg:rpm/almalinux/python3.12pkg:rpm/almalinux/python3.12-debugpkg:rpm/almalinux/python3.12-develpkg:rpm/almalinux/python3.12-idlepkg:rpm/almalinux/python3.12-libspkg:rpm/almalinux/python3.12-rpm-macrospkg:rpm/almalinux/python3.12-testpkg:rpm/almalinux/python3.12-tkinterpkg:rpm/almalinux/python3.14pkg:rpm/almalinux/python3.14-debugpkg:rpm/almalinux/python3.14-develpkg:rpm/almalinux/python3.14-freethreadingpkg:rpm/almalinux/python3.14-freethreading-debugpkg:rpm/almalinux/python3.14-freethreading-develpkg:rpm/almalinux/python3.14-freethreading-idlepkg:rpm/almalinux/python3.14-freethreading-libspkg:rpm/almalinux/python3.14-freethreading-testpkg:rpm/almalinux/python3.14-freethreading-tkinterpkg:rpm/almalinux/python3.14-idlepkg:rpm/almalinux/python3.14-libspkg:rpm/almalinux/python3.14-testpkg:rpm/almalinux/python3.14-tkinterpkg:rpm/almalinux/python3-debugpkg:rpm/almalinux/python3-develpkg:rpm/almalinux/python3-idlepkg:rpm/almalinux/python3-libspkg:rpm/almalinux/python3-testpkg:rpm/almalinux/python3-tkinterpkg:rpm/almalinux/python-unversioned-commandpkg:rpm/opensuse/python310&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python311&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python312&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python313&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python315&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python313-core&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP7pkg:rpm/suse/python313&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP7pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7
< 3.10.20-r3+ 60 more
- (no CPE)range: < 3.10.20-r3
- (no CPE)range: < 3.11.15-r2
- (no CPE)range: < 3.13.13-r2
- (no CPE)range: < 3.14.4-r3
- (no CPE)range: < 3.10.20-r3
- (no CPE)range: < 3.11.15-r2
- (no CPE)range: < 3.13.13-r2
- (no CPE)range: < 3.14.4-r3
- (no CPE)range: < 3.14.5
- (no CPE)range: < 3.14.5
- (no CPE)range: < 3.14.5
- (no CPE)range: < 3.6.8-76.el8_10.alma.1
- (no CPE)range: < 3.6.8-76.el8_10.alma.1
- (no CPE)range: < 3.6.8-76.el8_10.alma.1
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-7.el8_10
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.11.13-5.3.el9_7
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.12.12-4.el9_7.3
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.14.4-2.el10_2
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.9.25-3.el9_7.3
- (no CPE)range: < 3.12.12-3.el10_1.3
- (no CPE)range: < 3.10.20-6.1
- (no CPE)range: < 3.11.15-6.1
- (no CPE)range: < 3.12.13-6.1
- (no CPE)range: < 3.13.13-2.1
- (no CPE)range: < 3.15.0~a8-3.1
- (no CPE)range: < 3.13.13-150700.4.50.1
- (no CPE)range: < 3.13.13-150700.4.50.1
- (no CPE)range: < 2.7.18-150000.120.1
- (no CPE)range: < 2.7.18-150000.120.1
Patches
Vulnerability mechanics
References
8- github.com/python/cpython/commit/28b4ad38067bbdad34edfcd03ad2de5f06387e53nvd
- github.com/python/cpython/commit/c5767a72838a8dda9d6dc5d3558075b055c56bcanvd
- github.com/python/cpython/commit/d22922c8a7958353689dc4763dd72da2dea03fffnvd
- github.com/python/cpython/commit/d6d68494be70bdbda20f89f83801ba52ec37daa4nvd
- github.com/python/cpython/commit/f4654824ae0850ac87227fb270f9057477946769nvd
- github.com/python/cpython/issues/148169nvd
- github.com/python/cpython/pull/148170nvd
- mail.python.org/archives/list/security-announce@python.org/thread/JQDUNJVB4AQNTJECSUKOBDU3XCJIPSE5/nvd
News mentions
0No linked articles in our index yet.