Discourse: Cached outdated summaries can leak removed content
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| discourse | discourse | affected |
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Configuration 1 [-]
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No data.
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| Discourse | Discourse |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.233% probability within 30 days)
| Type | Values Removed | Values Added |
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| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:* cpe:2.3:a:discourse:discourse:2026.5.0:*:*:*:latest:*:*:* |
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| Metrics |
ssvc
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| First Time appeared |
Discourse
Discourse discourse |
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| Vendors & Products |
Discourse
Discourse discourse |
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| Description | Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, outdated cached AI summaries can leak removed content to anonymous and unprivileged users who cannot regenerate summaries. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1. To work around this issue, restrict summary generation by tightening the allowed groups on the summarization Personas. | |
| Title | Discourse: Cached outdated summaries can leak removed content | |
| Weaknesses | CWE-200 CWE-524 CWE-672 |
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| References |
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| Metrics |
cvssV3_1
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