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CVE-2026-114583

6.9 medium Published
NVD · CVE.org

tarfile.tar_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() with filter="tar" to write files outside the destination directory, subject to the permissions of the extracting process. This is the tarfile.tar_filter counterpart of CVE-2026-7774, which covered tarfile.data_filter.

Fix

Microsoft's update · Moderate

  • Release Notes — azl3 python3 3.12.14-2 on Azure Linux 3.0 · build 3.12.16-1

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-29.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 11

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 00:36
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 01:19
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 00:37
  4. References+3 references (now 9)NVD modified 2026-10-26 01:17
  5. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 01:17
  6. StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 00:37
  7. StatusReceived → Awaiting AnalysisNVD modified 2026-10-23 16:44
  8. References+3 references (now 6)NVD modified 2026-10-23 01:16
  9. StatusPublished → ReceivedNVD modified 2026-10-23 01:16
  10. StatusReceived → PublishedNVD modified 2026-10-22 20:57
  11. First seenCVSS 6.9NVD modified 2026-10-22 21:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 9