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TI-2026-67387 Aliases CVE-2026-104476GHSA-62pf-58wj-9727

Backdrop CMS before 1.35.1 Information Disclosure via Configuration Export Archive

Priority LOW 35CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix Fixed backdrop (backdrop): 1.35.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
backdropbackdropbefore 1.35.11.35.1Patch availableCNA
  • backdrop Vendorbackdrop Affected before 1.35.1 Fixed in 1.35.1 Patch available CNA

Remediation

  • Fix · CNA backdrop (backdrop) Fixed in 1.35.1

Timeline

  1. 2026-10-03 Threatist record created from CVE-2026-104476
  2. 2026-10-03 Alias added: GHSA-62pf-58wj-9727
  3. 2026-10-04 Priority changed: MEDIUM → LOW
  4. 2026-10-05 CISA SSVC decision points changed

References

Patch 1

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences