CVE-2025-55188: 7-Zip · Link Following
Affects 7-ZipSource GCVE Database
Not known to be exploited · CVSS 3.6 Low.
Data as of 4 Nov 2026, 17:49 UTC
Thin evidence
One scorer or none| CNA (mitre) | CVSS 3.1 | 3.6 |
|---|
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| 7-Zip 7-Zip | Affected
| Fixed in– |
AI-suggested
Until an official fix is available, users should exercise caution when extracting archives containing symbolic links, especially from untrusted sources.
Description
CVE-2025-55188 is a vulnerability in 7-Zip versions before 25.01 where symbolic links are not always properly handled during extraction. This flaw could lead to unintended link following behavior. The issue has a low severity rating with a CVSS score of 3.6 and does not impact confidentiality or availability but may impact integrity. No public exploits or known active exploitation have been reported. No patch or fix version is explicitly stated in the provided data.
References
- sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/ (opens in a new tab)
- github.com/ip7z/7zip/releases/tag/25.01 (opens in a new tab)
- github.com/ip7z/7zip/compare/25.00...25.01 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/09/1 (opens in a new tab)
- youtu.be/sWT6M1cfnwM (opens in a new tab)
- lunbun.dev/blog/cve-2025-55188/ (opens in a new tab)
- github.com/lunbun/CVE-2025-55188/ (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-55188-detect-7-zip-vulnerable-version (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-55188-mitigate-7-zip-vulnerability (opens in a new tab)
- openwall.com/lists/oss-security/2025/10/12/2 (opens in a new tab)
- openwall.com/lists/oss-security/2025/10/16/7 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/09/1 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/13/1 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/10/1 (opens in a new tab)