DI
Product
discourse
by discourse · last CVE Oct 22, 2026
294
CVEs
0
On KEV
9.9
Max CVSS
4
New 30D
Severity mix
Critical 8High 49Medium 217Low 20
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-37467
5.4
0%
Jul 28
Discourse is an open source discussion platform
Affected: 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more
CVE-2023-30538
5.4
0%
Apr 18
Discourse is an open source platform for community discussion
Affected: through 3.0.2; before 3.1.0; 3.1.0; 3.1.0; 3.1.0
CVE-2023-25172
5.4
1%
Mar 17
Discourse is an open-source discussion platform
Affected: before 3.0.1; before 3.1.0; 3.1.0
CVE-2023-22468
5.4
1%
Jan 26
Discourse is an open source platform for community discussion
Affected: before 2.8.13; 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; +10 more
CVE-2022-46148
5.4
0%
Nov 29
Discourse is an open-source messaging platform
Affected: through 2.8.10; 2.9.0; 2.9.0; 2.9.0; 2.9.0; 2.9.0; +5 more
CVE-2021-39161
5.4
0%
Aug 26
Discourse is an open source platform for community discussion
Affected: before 2.7.8; 2.8.0; 2.8.0; 2.8.0; 2.8.0
CVE-2021-32764
5.4
1%
Jul 15
Discourse is an open-source discussion platform
Affected: through 2.7.5; 2.8.0
CVE-2026-53960
5.3
0%
Aug 17
Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD
Affected: < 2026.1.6; >= 2026.5.0-latest, < 2026.5.2; >= 2026.6.0-latest, < 2026.6.1
CVE-2026-72723
5.3
1%
Aug 10
Discourse: Anonymous sidebar serialization exposes descriptions of category-restricted tags
Affected: < 2026.1.6; >= 2026.5.0-latest, < 2026.5.2; >= 2026.6.0-latest, < 2026.6.1; >= 2026.7.0-latest, < 2026.7.0
CVE-2026-72721
5.3
1%
Aug 10
Discourse: Onebox Domain Blocklist Bypass via Case-Sensitive Comparison
Affected: < 2026.1.6; >= 2026.5.0-latest, < 2026.5.2; >= 2026.6.0-latest, < 2026.6.1; >= 2026.7.0-latest, < 2026.7.0
CVE-2026-59828
5.3
1%
Jul 9
Discourse: Hidden post revisions leak through adjacent visible diffs
Affected: >= 2026.1.0-latest, < 2026.1.5; >= 2026.4.0-latest, < 2026.4.2; >= 2026.5.0-latest, < 2026.5.1
CVE-2026-47264
5.3
0%
Jun 12
Discourse: Don't leak restricted tag group names via tag info
Affected: >= 2026.1.0-latest, < 2026.1.4; >= 2026.3.0-latest, < 2026.3.1; >= 2026.4.0-latest, < 2026.4.1
CVE-2026-45085
5.3
0%
Jun 12
Discourse: Chat misauthorization and information disclosure
Affected: >= 2026.1.0-latest, < 2026.1.4; >= 2026.3.0-latest, < 2026.3.1; >= 2026.4.0-latest, < 2026.4.1
CVE-2026-34154
5.3
0%
May 19
Discourse has a subscription access bypass in its discourse-subscriptions plugin
Affected: < 2026.1.4; >= 2026.3.0-latest, < 2026.3.1; >= 2026.4.0-latest, < 2026.4.1; >= 2026.5.0-latest, < 2026.5.0-latest.1
CVE-2026-32244
5.3
0%
May 19
Discourse: Cached outdated summaries can leak removed content
Affected: < 2026.1.4; >= 2026.3.0-latest, < 2026.3.1; >= 2026.4.0-latest, < 2026.4.1; >= 2026.5.0-latest, < 2026.5.0-latest.1
CVE-2026-34947
5.3
0%
Apr 3
Discourse: Staged user custom fields are exposed on public invite pages
Affected: >= 2026.1.0-latest, < 2026.1.3; >= 2026.2.0-latest, < 2026.2.2; >= 2026.3.0-latest, < 2026.3.0
CVE-2026-27481
5.3
0%
Apr 3
Discourse: Hidden tag visibility bypass on tag routes
Affected: >= 2026.1.0-latest, < 2026.1.3; >= 2026.2.0-latest, < 2026.2.2; >= 2026.3.0-latest, < 2026.3.0
CVE-2026-33074
5.3
0%
Mar 31
Discourse: Vulnerability in discourse-subscriptions plugin allowing users to self-grant to higher tier subscriptions
Affected: >= 2026.1.0-latest, < 2026.1.3; >= 2026.2.0-latest, < 2026.2.2; >= 2026.3.0-latest, < 2026.3.0
CVE-2026-33073
5.3
0%
Mar 31
discourse-subscriptions plugin leaking stripe API key in multisite environment
Affected: >= 2026.1.0-latest, < 2026.1.3; >= 2026.2.0-latest, < 2026.2.2; >= 2026.3.0-latest, < 2026.3.0
CVE-2026-33425
5.3
1%
Mar 20
Discourse has inferable private group membership or existence via exclude_groups parameter
Affected: >= 2026.1.0-latest, < 2026.1.2; >= 2026.2.0-latest, < 2026.2.1; = 2026.3.0-latest
CVE-2026-27936
5.3
0%
Mar 19
Discourse discloses restricted post-action counts to non-privileged users
Affected: >= 2026.1.0-latest, < 2026.1.2; >= 2026.2.0-latest, < 2026.2.1; = 2026.3.0-latest
CVE-2026-27454
5.3
1%
Mar 19
Discourse has check revision visibility on posts endpoint
Affected: >= 2026.1.0-latest, < 2026.1.2; >= 2026.2.0-latest, < 2026.2.1; = 2026.3.0-latest
CVE-2026-27021
5.3
0%
Feb 26
Discourse: Poll voters endpoint lacked post visibility checks
Affected: < 2025.12.2; >= 2026.1.0-latest, < 2026.1.1; >= 2026.2.0-latest, < 2026.2.0
CVE-2025-68659
5.3
0%
Jan 28
Discourse has DoS vulnerability in username change endpoint
Affected: < 3.5.4; >= 2025.11.0-latest, < 2025.11.2; >= 2025.12.0-latest, < 2025.12.1; >= 2026.1.0-latest, < 2026.1.0
CVE-2025-68479
5.3
0%
Jan 28
Discourse subscriptions are susceptible to takeover
Affected: < 3.5.4; >= 2025.11.0-latest, < 2025.11.2; >= 2025.12.0-latest, < 2025.12.1; >= 2026.1.0-latest, < 2026.1.0
CVE-2025-64528
5.3
0%
Dec 30
Users are able to find users by name even when `enable_names` is off
Affected: < 3.5.3; >= 2025.11.0-latest, < 2025.11.1; >= 2025.12.0-latest, < 2025.12.0
CVE-2025-61598
5.3
0%
Oct 28
Discourse is missing Cache-Control response header on error responses
Affected: < 3.6.2; >= 3.6.0.beta1, < 3.6.0.beta2
CVE-2024-37157
5.3
0%
Jul 3
Discourse is an open-source discussion platform
Affected: before 3.2.3; before 3.3.0; 3.3.0; 3.3.0; 3.3.0
CVE-2024-24748
5.3
0%
Mar 15
Discourse is an open source platform for community discussion
Affected: through 3.2.0; through 3.2.0; 3.2.0; 3.2.0; 3.2.0; 3.2.0; +1 more
CVE-2023-44391
5.3
0%
Oct 16
Discourse is an open source platform for community discussion
Affected: through 3.1.1; 3.2.0
CVE-2023-34250
5.3
0%
Jun 13
Discourse is an open source discussion platform
Affected: before 3.0.4; 3.1.0; 3.1.0; 3.1.0; 3.1.0
CVE-2023-32301
5.3
0%
Jun 13
Discourse is an open source discussion platform
Affected: before 3.0.4; 3.1.0; 3.1.0; 3.1.0; 3.1.0
CVE-2023-32061
5.3
0%
Jun 13
Discourse is an open source discussion platform
Affected: before 3.0.4; 3.1.0; 3.1.0; 3.1.0; 3.1.0
CVE-2023-31142
5.3
0%
Jun 13
Discourse is an open source discussion platform
Affected: before 3.0.4; 3.1.0; 3.1.0; 3.1.0; 3.1.0
CVE-2023-25819
5.3
0%
Mar 4
Discourse is an open source platform for community discussion
Affected: before 3.1.0; 3.1.0; 3.1.0
CVE-2023-23615
5.3
0%
Feb 3
Discourse is an open source discussion platform
Affected: through 3.0.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more
CVE-2023-23624
5.3
1%
Jan 28
Discourse is an open-source discussion platform
Affected: before 3.0.1; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more
CVE-2023-23620
5.3
1%
Jan 28
Discourse is an open-source discussion platform
Affected: before 3.0.1; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more
CVE-2023-22453
5.3
1%
Jan 5
Discourse is an option source discussion platform
Affected: before 2.8.14; 1.1.0; 1.1.0; 1.1.0; 1.1.0; 1.1.0; +34 more
CVE-2022-39378
5.3
1%
Nov 2
Displaying user badges can leak topic titles to users that have no access to the topic
Affected: <= 2.8.9; <= 2.9.0.beta10
CVE-2022-31182
5.3
1%
Aug 1
Cache poisoning via maliciously-formed request in Discourse
Affected: < 2.8.7; < 2.9.0.beta8
CVE-2022-31060
5.3
1%
Jun 14
Discourse is an open-source discussion platform
Affected: before 2.8.4; 2.9.0; 2.9.0; 2.9.0; 2.9.0
CVE-2022-31025
5.3
1%
Jun 7
Discourse is an open source platform for community discussion
Affected: before 2.8.4; 2.9.0; 2.9.0; 2.9.0; 2.9.0
CVE-2022-24824
5.3
1%
Apr 14
Discourse is an open source platform for community discussion
Affected: before 2.8.3; 2.9.0; 2.9.0; 2.9.0
CVE-2022-24804
5.3
1%
Apr 11
Discourse is an open source platform for community discussion
Affected: before 2.8.3; 2.9.0; 2.9.0; 2.9.0
CVE-2022-21677
5.3
1%
Jan 14
Discourse is an open source discussion platform
Affected: through 2.7.12; 2.8.0; 2.8.0; 2.8.0; 2.8.0; 2.8.0; +5 more
CVE-2021-43794
5.3
1%
Dec 1
Discourse is an open source discussion platform
Affected: before 2.7.11
CVE-2021-41271
5.3
1%
Nov 15
Discourse is a platform for community discussion
Affected: through 2.7.9; 2.8.0; 2.8.0; 2.8.0; 2.8.0; 2.8.0; +2 more
CVE-2020-24327
5.3
1%
Sep 23
Server Side Request Forgery (SSRF) vulnerability exists in Discourse 2.3.2 and 2.6 via the email function
Affected: 2.3.2; 2.6.0
CVE-2019-1020017
5.3
1%
Jul 29
Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via a user-api OTP
Affected: before 2.3.0; 2.4.0; 2.4.0
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