Backdrop CMS before 1.35.1 Information Disclosure via Configuration Export Archive
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.
CVE-2026-104476
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-104476
backdrop
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "backdrop",
"product": "backdrop",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.35.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "1.35.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-104476
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #8805 · Revision 1
- Added to Heist Feed
- Publisher date