CVE-2026-104476 (GCVE-0-2026-104476)

Vulnerability from cvelistv5 – Published: 2026-10-02 23:28 – Updated: 2026-10-02 23:28
VLAI
Title
Backdrop CMS before 1.35.1 Information Disclosure via Configuration Export Archive
Summary
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.
Severity
8.2 (High)
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
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Vendor Product Version CPE status
backdrop backdrop Affected: 0 , < 1.35.1 (semver)
Unaffected: 1.35.1 (semver)
    cpe:2.3:a:backdropcms:backdrop:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-23 00:00
Credits
Dilip Choudhary
Show details on NVD website
To clipboard 

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                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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