CVE-2026-44658

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Source
https://cve.org/CVERecord?id=CVE-2026-44658
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44658.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-44658
Aliases
  • GHSA-cc9c-mmmf-c5j6
Published
2026-05-11T17:00:31.639Z
Modified
2026-08-12T03:51:29.952530517Z
Severity
  • 2.4 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N CVSS Calculator
Summary
Zen Browser: RSS Live-Folder Item URLs Are Not Scheme-Restricted Before Trusted Tab Creation
Details

Zen is a firefox-based browser. Prior to 1.19.12b, RSS feed URLs entered by the user are validated to http: or https: in promptForFeedUrl, but item links inside the feed are not subject to the same restriction. The provider maps each RSS/Atom item link into item.url, filters only for presence and date, and returns the item list. The live-folder manager later creates pinned lazy tabs from these values with gBrowser.addTrustedTab(item.url, ...). This vulnerability is fixed in 1.19.12b.

Database specific 
{
    "cwe_ids": [
        "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44658.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/zen-browser/desktop

Affected ranges

Type
GIT
Repo
https://github.com/zen-browser/desktop
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
cfd1e7a6aa3c06f8d4b049b6a0e2b922b5ab5ad0
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.19.12b"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

0.*
0.0.0-a.1
1.*
1.0.0-a.1
1.0.0-a.10
1.0.0-a.11
1.0.0-a.12
1.0.0-a.13
1.0.0-a.14
1.0.0-a.15
1.0.0-a.16
1.0.0-a.2
1.0.0-a.23
1.0.0-a.24
1.0.0-a.26
1.0.0-a.27
1.0.0-a.29
1.0.0-a.3
1.0.0-a.30
1.0.0-a.31
1.0.0-a.32
1.0.0-a.33
1.0.0-a.34
1.0.0-a.35
1.0.0-a.39
1.0.0-a.4
1.0.0-a.5
1.0.0-a.6
1.0.0-a.7
1.0.0-a.8
1.0.0-a.9
1.0.1-a.1
1.0.1-a.10
1.0.1-a.11
1.0.1-a.12
1.0.1-a.13
1.0.1-a.14
1.0.1-a.15
1.0.1-a.16
1.0.1-a.17
1.0.1-a.18
1.0.1-a.19
1.0.1-a.2
1.0.1-a.20
1.0.1-a.21
1.0.1-a.3
1.0.1-a.4
1.0.1-a.5
1.0.1-a.6
1.0.1-a.7
1.0.1-a.8
1.0.1-a.9
1.0.2-b.0
1.0.2-b.1
1.0.2-b.2
1.0.2-b.3
1.0.2-b.4
1.0.2-b.5
1.10.3b
1.10b
1.11.1b
1.11.4b
1.11.5b
1.11b
1.12.10b
1.12.2b
1.12.3b
1.12.4b
1.12.5b
1.12.6b
1.12.7b
1.12.8b
1.12.9b
1.12b
1.13.1b
1.13.2b
1.13b
1.14.10b
1.14.11b
1.14.1b
1.14.2b
1.14.3b
1.14.4b
1.14.5b
1.14.6b
1.14.8b
1.14.9b
1.14b
1.15.2b
1.15.3b
1.15.4b
1.15.5b
1.16.1b
1.16.3b
1.16.4b
1.16b
1.17.10b
1.17.11b
1.17.12b
1.17.13b
1.17.14b
1.17.15b
1.17.1b
1.17.2b
1.17.3b
1.17.5b
1.17.6b
1.17.7b
1.17.8b
1.17.9b
1.18.10b
1.18.1b
1.18.2b
1.18.3b
1.18.4b
1.18.5b
1.18.6b
1.18.7b
1.18.9b
1.18b
1.19.10b
1.19.11b
1.19.1b
1.19.2b
1.19.3b
1.19.4b
1.19.5b
1.19.6b
1.19.7b
1.19.8b
1.19.9b
1.19b
1.6b
1.7.1b
1.7.2b
1.7.3b
1.7.4b
1.7.6b
1.7b
1.8.1b
1.8.2b
1.8b
1.9b
Other
twilight-1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44658.json"