py7zr has 3 CVEs on record. The busiest recent month was June 2026 with 3. The median CVSS is 8.0 (high).
CVEs per month
Last 12 months, by publish date
1025/101125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/09
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 8.0
- Publish → KEV
- —
- Last 90 days
- 0 prev 3
3
Total CVEs
0
Critical
0
CISA KEV
0
Exploited
py7zr vulnerabilities
CVEs affecting py7zr, newest first. Open any entry for full detail, references, and exploit status.
3 CVEsRSS
CVE-2026-23879High· 8.0py7zr: Arbitrary File Write Vulnerability
py7zr: Arbitrary File Write Vulnerability
▾ Twilightpy7zr · py7zrEPSS 0.57%via GHSA
CVE-2026-55195Mediumpy7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size
py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size
▾ Sunlitpy7zr · py7zrEPSS 0.32%via GHSA
CVE-2026-55206Mediumpy7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()
py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()
▾ Sunlitpy7zr · py7zrEPSS 0.32%via GHSA