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Mon, 11 May 2026 15:15:00 +0000
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ssvc
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Fri, 08 May 2026 23:45:00 +0000
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Gitroomhq
Gitroomhq postiz-app |
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| Vendors & Products |
Gitroomhq
Gitroomhq postiz-app |
Fri, 08 May 2026 22:45:00 +0000
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| Description | Postiz is an AI social media scheduling tool. From version 2.16.6 to before version 2.21.7, all SSRF protections added in v2.21.4–v2.21.6 share a fundamental TOCTOU (Time-of-Check-Time-of-Use) vulnerability: isSafePublicHttpsUrl() resolves DNS to validate the target IP, but subsequent fetch() calls resolve DNS independently. An attacker controlling a DNS server can exploit this gap via DNS rebinding to redirect requests to internal network addresses. This issue has been patched in version 2.21.7. | |
| Title | Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validation paths | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-11T14:35:55.041Z
Reserved: 2026-04-26T13:26:14.515Z
Link: CVE-2026-42346
Updated: 2026-05-11T14:35:50.786Z
Status : Awaiting Analysis
Published: 2026-05-08T23:16:37.903
Modified: 2026-05-13T15:58:40.900
Link: CVE-2026-42346
No data.
OpenCVE Enrichment
Updated: 2026-05-09T00:00:25Z