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CVE-2026-84473VulnerabilityPublished

remote.php/webdav/ · Authentication Bypass / Missing Brute-Force Protection

Source GCVE Database

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Authoritative record:CVE-2026-84473· High

Not known to be exploited : upgrade to 11.1.0 soon.

Data as of 6 Nov 2026, 22:43 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 11.1.0

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Upgrade ownCloud and kiteworks/ownCloud to 11.1.0.

Affected software

ProductAffectedFixed in
KiteworksownCloudAffected
  • >=10.16.3 <11.1.0
Fixed in
  • 11.1.0
GitHubkiteworks/ownCloudpkg:github/kiteworks/ownCloudOther threatsAffected
  • >=10.16.3 <11.1.0
Fixed in
  • 11.1.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, consider implementing external protections such as rate limiting or IP blocking on the WebDAV endpoint to mitigate brute-force attempts.

Description

An authentication bypass and missing brute-force protection vulnerability exists in the remote.php/webdav/ endpoint of ownCloud server version 10.16.3. This flaw allows an unauthenticated remote attacker to perform unlimited online password guessing attacks against WebDAV accounts by repeatedly sending HTTP Basic Authentication requests to the WebDAV interface.

References

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