CVE-2026-104476

Source
https://cve.org/CVERecord?id=CVE-2026-104476
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104476.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-104476
Published
2026-10-02T23:28:46Z
Modified
2026-10-04T02:45:50Z
Severity
  • 8.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Backdrop CMS before 1.35.1 Information Disclosure via Configuration Export Archive
Details

Backdrop CMS before 1.35.1 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve configuration export archives left on the server after transfer. Attackers can download compressed archives generated by users with configuration export permission to obtain the full site configuration, including sensitive settings.

Database specific
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-200"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104476.json"
}
References

Affected packages

Git / github.com/backdrop/backdrop

Affected ranges

Type
GIT
Repo
https://github.com/backdrop/backdrop
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed
Database specific
Show details
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.35.1"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.1.0
1.10.0
1.11.0
1.13.0-preview
1.14.0
1.14.0-preview
1.15.0
1.15.0-preview
1.16.0
1.16.0-preview
1.17.0
1.17.0-preview
1.18.0
1.18.0-preview
1.19.0
1.19.0-preview
1.2.0
1.20.0
1.20.0-preview
1.21.0
1.21.0-preview
1.22.0
1.22.0-preview
1.23.0
1.23.0-preview
1.24.0
1.24.0-preview
1.25.0
1.25.0-preview
1.26.0
1.26.0-preview
1.27.0
1.27.0-preview
1.28.0
1.28.0-preview
1.29.0
1.29.0-preview
1.3.0
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.30.0
1.30.0-preview
1.31.0
1.31.0-preview
1.32.0
1.32.0-preview
1.33.0
1.33.0-preview
1.34.0
1.34.0-preview
1.35.0
1.35.0-preview
1.4.0
1.4.1
1.4.2
1.4.3
1.5.0
1.5.1
1.6.0
1.7.0
1.7.0-preview
v1.*
v1.0.0
v1.0.0-preview
v1.0.1
v1.0.2
v1.0.3

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104476.json"