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GHSA-8MQ9-5FW2-5RM4 Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)

🗓️ 19 Aug 2026 21:56:30Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

next-tinacms-s3 media handler allows authenticated editors to write/delete any S3 bucket key via attacker-supplied query parameter.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-59992
19 Aug 202622:35
–circl
cve
CVE		CVE-2026-59992
19 Aug 202621:30
–cve
cvelist
Cvelist		CVE-2026-59992 Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:30
–cvelist
euvd
EUVD		EUVD-2026-63102
19 Aug 202621:30
–euvd
github
Github Security Blog		Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:56
–github
nvd
NVD		CVE-2026-59992
19 Aug 202622:16
–nvd
patchstack
Patchstack		NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:56
–patchstack
patchstack
Patchstack		NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:56
–patchstack
patchstack
Patchstack		NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:56
–patchstack
patchstack
Patchstack		NPM: Tina: Broken Access Control: arbitrary bucket-key write/delete in `next-tinacms-s3` (and sibling production media adapters)
19 Aug 202621:56
–patchstack
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19 Aug 2026 22:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.4
next-tinacms-s3broken access controlS3 bucketmedia handlerAWS presigned URLdelete objectTinaCMS
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