CERTFR-2026-AVI-1392

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Multiples vulnérabilités dans les produits Nextcloud

view advisory published 2026-10-27

A published security advisory; the vulnerabilities below are the ones it describes.

01

describes (6)

Related CVEs.

IDseverity exploitable
CVE-2026-77173US——
A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential.
CVE-2026-77172US——
App passwords were allowed to bypass password confirmation on sensitive endpoints.
CVE-2026-77171US——
A public shared collective always allowed recipients of the link to create pages.
CVE-2026-77167US——
Abusing the federated share endpoint, an attacker can write arbitrary rows into the oc_share_external database table. These rows persist indefinitely — there is no automatic cleanu…
CVE-2026-67400US——
A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token.
CVE-2026-114601US——
02

references

External citations — patches, advisories, analysis.

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