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CVE-2026-27454: Missing Authorization

🗓️ 19 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Discourse < 2026.3.0-latest.1, 2026.2.1, 2026.1.2 missing authorization for post revisions.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27454
19 Mar 202620:39
–attackerkb
circl
Circl
CVE-2026-27454
15 Sep 202609:00
–circl
cnnvd
CNNVD
Discourse 安全漏洞
19 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-27454
19 Mar 202620:39
–cve
cvelist
Cvelist
CVE-2026-27454 Discourse has check revision visibility on posts endpoint
19 Mar 202620:39
–cvelist
euvd
EUVD
EUVD-2026-13188
19 Mar 202620:39
–euvd
nuclei
Nuclei
Discourse <=2026.2.0 - Hidden Post Revision Disclosure via revert_to Authorization Bypass
25 Sep 202602:05
–nuclei
nvd
NVD
CVE-2026-27454
19 Mar 202621:17
–nvd
osv
OSV
BIT-DISCOURSE-2026-27454 Discourse has check revision visibility on posts endpoint
27 Mar 202607:09
–osv
ptsecurity
Positive Technologies
PT-2026-26358
19 Mar 202600:00
–ptsecurity
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25 Mar 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.3
EPSS0.00993
SSVC
0