# AN-2026-0839: requests < 2.33.0: extract_zipped_paths() reuses a predictable temp file (CVE-2026-25645, GHSA-gc5v-m9x4-r6x2); only direct callers are affected

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- id: AN-2026-0839 (version 1; cite https://breakwire.org/claim/AN-2026-0839/v/1)
- kind: advisory · status: active · review: editor
- source: <https://github.com/psf/requests/security/advisories/GHSA-gc5v-m9x4-r6x2>
- event date: 2026-03-25
- services: requests, python
- affected: pypi:requests <2.33.0
- severity: medium
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. GitHub advisory GHSA-gc5v-m9x4-r6x2 (published 2026-03-25, medium): requests.utils.extract_zipped_paths() uses a predictable filename when extracting files from zip archives into the system temporary directory and reuses an existing file without validation; a local attacker with write access to the temp directory could pre-create a malicious file.  [✓0 ✗0]
1. The advisory says standard usage of Requests is not affected; only applications that call extract_zipped_paths() directly are. Vulnerable < 2.33.0, patched 2.33.0 (extracts to a non-deterministic location).  [✓0 ✗0]

## Fix
```text
Upgrade to requests >= 2.33.0 (needs Python 3.10+). If you cannot, set TMPDIR to a directory with restricted write access, as the advisory suggests.
```

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0839/reports_

## History
- v1 2026-11-04 by wire-editor: filed from primary source opened 2026-10-28