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Nextcloud

339 CVEs across 41 months on the top 200 list since Sep 2016. Peak rank #23 in Feb 2020. None of them is in CISA KEV.

Nextcloud CVEs per month since Sep 2016

Oct 2021 to Sep 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 26, Jun 2026
Oct 2021: 8 CVEs · 0 critical · 0 now in CISA KEV · rank #68 · mostly Security-advisories, Server, MailNov 2021: not on the top 200 that monthDec 2021: not on the top 200 that monthJan 2022: not on the top 200 that monthFeb 2022: not on the top 200 that monthMar 2022: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #104 · mostly Security-advisories, Nextcloud Server, TalkApr 2022: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #106 · mostly Security-advisories, Nextcloud, Nextcloud ServerMay 2022: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #97 · mostly Security-advisories, Deck, Nextcloud ServerJun 2022: not on the top 200 that monthJul 2022: not on the top 200 that monthAug 2022: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #122 · mostly Security-advisories, Nextcloud Server, MailSep 2022: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #95 · mostly Security-advisories, Nextcloud Enterprise Server, Nextcloud ServerOct 2022: 3 CVEs · 0 critical · 0 now in CISA KEV · rank #181 · mostly Nextcloud Server, Nextcloud Enterprise Server, Security-advisoriesNov 2022: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #85 · mostly Security-advisories, Desktop, Openid Connect User BackendDec 2022: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #130 · mostly Security-advisories, Nextcloud Server, Nextcloud TalkJan 2023: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #111 · mostly Security-advisories, Deck, TalkFeb 2023: 12 CVEs · 0 critical · 0 now in CISA KEV · rank #57 · mostly Security-advisories, Nextcloud Server, MailMar 2023: not on the top 200 that monthApr 2023: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #75 · mostly Security-advisories, Desktop, Nextcloud ServerMay 2023: 7 CVEs · 0 critical · 0 now in CISA KEV · rank #106 · mostly Security-advisories, Nextcloud Server, ContactsJun 2023: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #111 · mostly Security-advisories, Nextcloud Server, End-to-end EncryptionJul 2023: not on the top 200 that monthAug 2023: 10 CVEs · 0 critical · 0 now in CISA KEV · rank #91 · mostly Security-advisories, Nextcloud Server, User OidcSep 2023: not on the top 200 that monthOct 2023: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #122 · mostly Security-advisories, Nextcloud Server, TalkNov 2023: 8 CVEs · 0 critical · 0 now in CISA KEV · rank #94 · mostly Security-advisories, Nextcloud Server, MailDec 2023: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #189 · mostly Security-advisories, Nextcloud Server, NextcloudJan 2024: 7 CVEs · 1 critical · 0 now in CISA KEV · rank #106 · mostly Security-advisories, Guests, ZipperFeb 2024: not on the top 200 that monthMar 2024: not on the top 200 that monthApr 2024: not on the top 200 that monthMay 2024: not on the top 200 that monthJun 2024: 12 CVEs · 0 critical · 0 now in CISA KEV · rank #55 · mostly Security-advisories, Nextcloud Server, User OidcJul 2024: not on the top 200 that monthAug 2024: not on the top 200 that monthSep 2024: not on the top 200 that monthOct 2024: not on the top 200 that monthNov 2024: 17 CVEs · 0 critical · 0 now in CISA KEV · rank #62 · mostly Security-advisories, Nextcloud Server, TablesDec 2024: not on the top 200 that monthJan 2025: not on the top 200 that monthFeb 2025: not on the top 200 that monthMar 2025: not on the top 200 that monthApr 2025: not on the top 200 that monthMay 2025: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #154 · mostly Security-advisories, Nextcloud Server, Group FoldersJun 2025: not on the top 200 that monthJul 2025: not on the top 200 that monthAug 2025: not on the top 200 that monthSep 2025: not on the top 200 that monthOct 2025: not on the top 200 that monthNov 2025: not on the top 200 that monthDec 2025: 21 CVEs · 0 critical · 0 now in CISA KEV · rank #39 · mostly Security-advisories, Nextcloud Server, CalendarJan 2026: not on the top 200 that monthFeb 2026: not on the top 200 that monthMar 2026: not on the top 200 that monthApr 2026: not on the top 200 that monthMay 2026: not on the top 200 that monthJun 2026: 26 CVEs · 0 critical · 0 now in CISA KEV · rank #36 · mostly Security-advisories, Nextcloud Server, TablesJul 2026: not on the top 200 that monthAug 2026: not on the top 200 that monthSep 2026 so far: 7 CVEs · 0 critical · 0 now in CISA KEV · rank #165 · mostly Server, Deck, Files Lock

In the lens

The products that kept showing up in Nextcloud's monthly top three from Oct 2021 to Sep 2026. Move the lens and the list follows.

  1. Security-advisories20524 months
  2. Nextcloud Server8620 months
  3. Desktop92 months
  4. Mail74 months
  5. Deck63 months
  6. Nextcloud Enterprise Server52 months
  7. Server52 months
  8. Tables52 months
  9. Talk43 months
  10. User Oidc42 months

Year by year

Each year's months on the top 200 list. Pick a year to read it in the lens.

The record

Peak rank
#23 in Feb 2020
Busiest month
Jun 2026, 26 CVEs
Months with a KEV entry
0 of 41 on the list
On the top 200 list
41 of 121 monthly snapshots

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