CVE-2025-55188 json
7-Zip before 25.01 does not always properly handle symbolic links during extraction.
published 2025-08-08 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24018
- cvss
- 3.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
7-Zip before 25.01 does not always properly handle symbolic links during extraction.
Patch / fix
- 7-Zip 7-Zip 25.01
- 7zip Debian 12 22.01+really25.01+dfsg-0+deb12u1
- 7zip Debian 13 25.01+dfsg-1~deb13u1
- 7zip Debian 14 25.01+dfsg-1
- p7zip Debian 12 16.02+really25.01+dfsg-0+deb12u1
- p7zip Debian 13 16.02+transitional.1
debian advisories DEBIAN-CVE-2025-55188
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-26-181-01 updated cvss 7.9
Mitsubishi Electric MELSOFT Update Manager SW1DND-UDM-M
-
Mitsubishi Electric MELSOFT Update Manager SW1DND-UDM-M >=1.000A, <=1.014Qaffected: vendor fix, mitigation “Mitsubishi Electric has identified the following specific workarounds and mitigations users can apply to reduce risk:” mitsubishielectric.co.jp
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
red hat product security vex CVE-2025-55188 updated cvss 3.6
7zip: 7-Zip Symbolic Link Extraction Vulnerability
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- youtu.be https://youtu.be/sWT6M1cfnwM referenced PoC, tagged "exploit" by a source, unverified
- lunbun.dev https://lunbun.dev/blog/cve-2025-55188/ referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/lunbun/CVE-2025-55188/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.6 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N |
Affected products
- 7-Zip 7-Zip
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
youtu.be
/sWT6M1cfnwM
exploit
-
lunbun.dev
/blog/cve-2025-55188/
exploit, third-party-advisory
-
github.com
/lunbun/CVE-2025-55188/
exploit
-
sourceforge.net
/p/sevenzip/discussion/45797/thread/da14cd780b/
product
-
github.com
/ip7z/7zip/releases/tag/25.01
release-notes
-
github.com
/ip7z/7zip/compare/25.00...25.01
product
-
openwall.com
/lists/oss-security/2025/08/09/1
mailing-list, third-party-advisory
- vicarius.io /vsociety/posts/cve-2025-55188-detect-7-zip-vulnerable-version
- vicarius.io /vsociety/posts/cve-2025-55188-mitigate-7-zip-vulnerability
- openwall.com /lists/oss-security/2025/10/12/2
- openwall.com /lists/oss-security/2025/10/16/7
- openwall.com /lists/oss-security/2025/08/09/1
- openwall.com /lists/oss-security/2025/08/13/1
- openwall.com /lists/oss-security/2025/08/10/1
Sources
- CVE List CVE-2025-55188
- NVD CVE-2025-55188
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.