CVE-2026-4786
EPSS 0.02%Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()
發布日:2026/4/13修改日:2026/5/23
描述
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.
受影響套件(6)
- Bitnami/libpythonfrom 0, < 3.14.5
- Bitnami/pythonfrom 0, < 3.14.5
- Bitnami/python-minfrom 0, < 3.14.5
- Debian/pypy3from 0, < 7.3.22+dfsg-1
- Debian/python3.13from 0
- Debian/python3.14from 0, < 3.14.5-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/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 |
參考連結(10)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-4786
- WEBhttps://github.com/python/cpython/commit/28b4ad38067bbdad34edfcd03ad2de5f06387e53
- WEBhttps://github.com/python/cpython/commit/c5767a72838a8dda9d6dc5d3558075b055c56bca
- WEBhttps://github.com/python/cpython/commit/d22922c8a7958353689dc4763dd72da2dea03fff
- WEBhttps://github.com/python/cpython/commit/d6d68494be70bdbda20f89f83801ba52ec37daa4
- WEBhttps://github.com/python/cpython/commit/f4654824ae0850ac87227fb270f9057477946769
- WEBhttps://github.com/python/cpython/issues/148169
- WEBhttps://github.com/python/cpython/pull/148170
- WEBhttps://mail.python.org/archives/list/[email protected]/thread/JQDUNJVB4AQNTJECSUKOBDU3XCJIPSE5/
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2026-4786