CVE detail
CVE-2026-4519
The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing to webbrowser.open().
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 30.0 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
72 source links · newest first
- CVE-2026-4786 Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()Microsoft MSRC
Information published.
vendormsrc.microsoft.comJun 3, 2026, 8:39 AM - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4519.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comMar 20, 2026, 3:16 PM - https://bugzilla.redhat.com/show_bug.cgi?id=2449649bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/security/cve/CVE-2026-4519access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9745access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9705access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9621access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9614access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9591access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9387access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9386access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9354access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9289access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9262access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9261access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9260access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:9042access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:8748access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:8747access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:8746access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7661access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7443access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7335access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7329access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7244access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:7010access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6766access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6473access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6286access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6285access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6283access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6281access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6256access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6035access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:6016access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:25096access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:21275access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19725access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19724access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19216access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19177access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19176access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19175access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19064access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:19019access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:16174access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:16030access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:16009access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:16008access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:13812access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10141access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10140access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10111access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10102access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10101access.redhat.com
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Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - https://access.redhat.com/errata/RHSA-2026:10065access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comMar 20, 2026, 3:16 PM - http://www.openwall.com/lists/oss-security/2026/03/20/1www.openwall.com
No excerpt available.
Exploitwww.openwall.comMar 20, 2026, 3:16 PM - https://mail.python.org/archives/list/[email protected]/thread/AY5NDSS433JK56Q7Q5IS7B37QFZVVOUS/mail.python.org
No excerpt available.
Vendor Advisorymail.python.orgMar 20, 2026, 3:16 PM No excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PMNo excerpt available.
Exploitgithub.comMar 20, 2026, 3:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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