Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie (created after successful password authentication but before TOTP completion) could be reused as a Bearer token to authenticate against DAV endpoints, granting read/write access and bypassing mandatory two-factor authentication. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16
Metrics
Affected Vendors & Products
References
History
Wed, 03 Jun 2026 02:30:00 +0000
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Nextcloud
Nextcloud nextcloud Server |
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Nextcloud
Nextcloud nextcloud Server |
Mon, 01 Jun 2026 21:30:00 +0000
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ssvc
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Mon, 01 Jun 2026 19:00:00 +0000
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| Description | Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie (created after successful password authentication but before TOTP completion) could be reused as a Bearer token to authenticate against DAV endpoints, granting read/write access and bypassing mandatory two-factor authentication. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16 | |
| Title | Nextcloud: Bypass of second factor authentication on DAV endpoints | |
| Weaknesses | CWE-287 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-01T19:10:18.647Z
Reserved: 2026-05-13T04:38:01.164Z
Link: CVE-2026-45691
Updated: 2026-06-01T19:10:13.291Z
Status : Awaiting Analysis
Published: 2026-06-01T19:16:52.673
Modified: 2026-06-02T14:00:31.067
Link: CVE-2026-45691
No data.
OpenCVE Enrichment
Updated: 2026-06-02T20:53:35Z