CVE-2025-55188

LOWNVD 3.62.7▼Elevated

3.6

7-Zip before 25.01 does not always properly handle symbolic links during extraction.

CVSS v3: 3.6
EG Score: 2.7(medium)
EPSS: 47.8%
KEV: Not listed

Published

August 8, 2025

Last Modified

November 4, 2025

References (14)

cve@mitrehttps://github.com/ip7z/7zip/compare/25.00...25.01
cve@mitrehttps://github.com/ip7z/7zip/releases/tag/25.01
cve@mitrehttps://github.com/lunbun/CVE-2025-55188/
cve@mitrehttps://lunbun.dev/blog/cve-2025-55188/
cve@mitrehttps://sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/
cve@mitrehttps://www.openwall.com/lists/oss-security/2025/08/09/1
cve@mitrehttps://www.vicarius.io/vsociety/posts/cve-2025-55188-detect-7-zip-vulnerable-version
cve@mitrehttps://www.vicarius.io/vsociety/posts/cve-2025-55188-mitigate-7-zip-vulnerability
cve@mitrehttps://youtu.be/sWT6M1cfnwM
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/09/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/10/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/08/13/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/12/2
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/16/7

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-59Improper Link Resolution Before File Access (Link Following)

Data Freshness Timeline

(refreshed 12× in last 7d / 33× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-15 17:48 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
2026-06-13 23:00 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 14:00 UTCEPSS rescore
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2026-06-10 22:18 UTCEPSS rescore
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2026-06-10 13:22 UTCEPSS rescore
2026-06-10 13:22 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore

Show 8 more

2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-30 00:42 UTCEG score recompute
2026-05-30 00:42 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoClunbun/CVE-2025-55188
First seen Aug 28, 2025
Proof-of-concept of CVE-2025-55188: 7-Zip arbitrary file write
Open source ↗
GitHub PoChunters-sec/CVE-2025-55188-7z-exploit
First seen Aug 11, 2025
7z exploit POC versions prior to 25.01
Open source ↗

Frequently asked(5)

What is CVE-2025-55188?

CVE-2025-55188 is a low vulnerability published on August 8, 2025. 7-Zip before 25.01 does not always properly handle symbolic links during extraction.

When was CVE-2025-55188 disclosed?

CVE-2025-55188 was first published in the National Vulnerability Database on August 8, 2025, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-55188 actively exploited?

CVE-2025-55188 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-55188?

CVE-2025-55188 has a CVSS v3 base score of 3.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 2.7.

How do I remediate CVE-2025-55188?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55188, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-55188

📅 Published

🔄 Last Modified

🔗 References (14)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-55188?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (14)

Frequently asked(5)

Related CVEs(same CWE)