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Discourse

281 CVEs across 35 months on the top 200 list since Jul 2019. Peak rank #24 in Mar 2026. None of them is in CISA KEV.

Discourse CVEs per month since Jul 2019

Dec 2021 to Nov 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 48, Mar 2026
Dec 2021: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #102 · mostly Discourse, Discourse Footnote, Discourse-footnoteJan 2022: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #104 · mostly DiscourseFeb 2022: below the top 200 that month, 2 or fewer CVEsMar 2022: below the top 200 that month, 3 or fewer CVEsApr 2022: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #136 · mostly Discourse, Assign, Discourse-assignMay 2022: below the top 200 that month, 3 or fewer CVEsJun 2022: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #129 · mostly Discourse, Discourse-calendar, Discourse-chatJul 2022: below the top 200 that month, 3 or fewer CVEsAug 2022: below the top 200 that month, 3 or fewer CVEsSep 2022: 6 CVEs · 1 critical · 0 now in CISA KEV · rank #85 · mostly Discourse, Discourse-chatOct 2022: 3 CVEs · 1 critical · 0 now in CISA KEV · rank #156 · mostly Patreon, Discotoc, Discourse-chatNov 2022: 10 CVEs · 0 critical · 0 now in CISA KEV · rank #81 · mostly Discourse, Discourse Bbcode, CalendarDec 2022: below the top 200 that month, 3 or fewer CVEsJan 2023: 16 CVEs · 0 critical · 0 now in CISA KEV · rank #50 · mostly Discourse, Discourse-mermaid-theme-component, MermaidFeb 2023: below the top 200 that month, 3 or fewer CVEsMar 2023: no snapshot, the run for this month failedApr 2023: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #127 · mostly Discourse, Discourse-reactions, ReactionsMay 2023: below the top 200 that month, 3 or fewer CVEsJun 2023: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #158 · mostly DiscourseJul 2023: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #68 · mostly DiscourseAug 2023: below the top 200 that month, 4 or fewer CVEsSep 2023: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #117 · mostly Discourse, Discourse-encryptOct 2023: 8 CVEs · 0 critical · 0 now in CISA KEV · rank #93 · mostly Discourse, Discourse Calendar, Discourse-calendarNov 2023: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #118 · mostly DiscourseDec 2023: below the top 200 that month, 4 or fewer CVEsJan 2024: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #141 · mostly Discourse, Discourse Reactions, Discourse-reactionsFeb 2024: 5 CVEs · 1 critical · 0 now in CISA KEV · rank #137 · mostly Calendar, Discourse-calendar, Discourse-group-membership-ip-blockMar 2024: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #151 · mostly DiscourseApr 2024: below the top 200 that month, 4 or fewer CVEsMay 2024: below the top 200 that month, 5 or fewer CVEsJun 2024: below the top 200 that month, 4 or fewer CVEsJul 2024: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #81 · mostly DiscourseAug 2024: below the top 200 that month, 4 or fewer CVEsSep 2024: below the top 200 that month, 3 or fewer CVEsOct 2024: 5 CVEs · 0 critical · 0 now in CISA KEV · rank #136 · mostly DiscourseNov 2024: below the top 200 that month, 4 or fewer CVEsDec 2024: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #164 · mostly DiscourseJan 2025: below the top 200 that month, 4 or fewer CVEsFeb 2025: 9 CVEs · 0 critical · 0 now in CISA KEV · rank #79 · mostly DiscourseMar 2025: below the top 200 that month, 5 or fewer CVEsApr 2025: below the top 200 that month, 4 or fewer CVEsMay 2025: below the top 200 that month, 4 or fewer CVEsJun 2025: 5 CVEs · 1 critical · 0 now in CISA KEV · rank #164 · mostly DiscourseJul 2025: below the top 200 that month, 5 or fewer CVEsAug 2025: below the top 200 that month, 4 or fewer CVEsSep 2025: below the top 200 that month, 4 or fewer CVEsOct 2025: below the top 200 that month, 4 or fewer CVEsNov 2025: below the top 200 that month, 4 or fewer CVEsDec 2025: below the top 200 that month, 5 or fewer CVEsJan 2026: 14 CVEs · 0 critical · 0 now in CISA KEV · rank #67 · mostly DiscourseFeb 2026: 17 CVEs · 0 critical · 0 now in CISA KEV · rank #65 · mostly DiscourseMar 2026: 48 CVEs · 0 critical · 0 now in CISA KEV · rank #24 · mostly DiscourseApr 2026: below the top 200 that month, 6 or fewer CVEsMay 2026: below the top 200 that month, 7 or fewer CVEsJun 2026: 11 CVEs · 0 critical · 0 now in CISA KEV · rank #113 · mostly DiscourseJul 2026: 11 CVEs · 0 critical · 0 now in CISA KEV · rank #123 · mostly DiscourseAug 2026: 17 CVEs · 1 critical · 0 now in CISA KEV · rank #89 · mostly DiscourseSep 2026: 10 CVEs · 0 critical · 0 now in CISA KEV · rank #174 · mostly DiscourseOct 2026: below the top 200 that month, 11 or fewer CVEsNov 2026: none that month (the list had room for every one)

In the lens

The products that kept showing up in Discourse's monthly top three from Dec 2021 to Nov 2026. Move the lens and the list follows.

  1. Discourse24427 months
  2. Discourse-calendar43 months
  3. Calendar32 months
  4. Discourse-chat33 months
  5. Discourse-reactions22 months
  6. Assign11 month
  7. Discotoc11 month
  8. Discourse Bbcode11 month
  9. Discourse Calendar11 month
  10. Discourse Footnote11 month

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
#24 in Mar 2026
Busiest month
Mar 2026, 48 CVEs
Months with a KEV entry
0 of 35 on the list
On the top 200 list
35 of 84 monthly snapshots

Each monthly snapshot keeps the top 200 vendors by CVEs. A month below the cut shows the most it could have had: the smallest count that made the list. 5 months have no snapshot because the run failed.

MethodologyAll months on recordThe Discourse hub