CVE-2026-45544 json
Nextcloud: Information Disclosure of view filter metdata via Broken Sensitive Data Masking in ViewService
published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33714
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
Nextcloud is an open source content collaboration platform. From version 0.8.0 to before version 1.0.4, the view filter criteria is exposed to users with read-only permissions in Nextcloud Tables. This issue has been patched in versions 1.0.4 and 2.0.0.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- nextcloud security-advisories
Classification
- Weakness
-
- CWE-1230 Exposure of Sensitive Information Through Metadata
References
-
github.com
/nextcloud/tables/pull/2312
issue-tracking, patch
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-vvxm-6jjp-m9mp
mitigation, vendor-advisory
-
hackerone.com
/reports/3483753
permissions-required
Sources
- CVE List CVE-2026-45544
- NVD CVE-2026-45544
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.