CVE-2025-11001: 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability

This week

HIGH 7.8DOWNGRADE

CVE-2025-11001 is a high-severity flaw (CVSS 7.8) affecting 7-zip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of symbolic links in ZIP files. Crafted data in a ZIP file can cause the process to tr

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	27.4% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-11-19
Last modified	2026-10-19

Publisher (CNA): Zero Day Initiative · Vendor: 7-zip

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-19 22:16 UTCPublished CVE record published
2026-10-19 13:10 UTCUpdated Record last modified

7-zip 7-zip DOWNGRADE

Affected: 24.09

Fixed in: no fixed release known

Safe to downgrade to: a release before 24.09

1. Check installed version

apt-cache policy 7-zip || rpm -q 7-zip || 7-zip --version

2. No fixed release: DOWNGRADE to a release before 24.09 (Debian / Ubuntu)

apt-cache madison 7-zip sudo apt install 7-zip=<VERSION_BEFORE_24.09> sudo apt-mark hold 7-zip

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list 7-zip sudo dnf downgrade 7-zip-<VERSION_BEFORE_24.09> sudo dnf versionlock add 7-zip

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · openjpeg · FIXED · 2.5.4-5.eln159 · FEDORA-2026-1a5f60f401 · source

sudo dnf upgrade --advisory=FEDORA-2026-1a5f60f401

Fedora 46 · trustedqsl · FIXED · 2.8.7-1.fc46 · FEDORA-2026-6b1bc90ebc · source

sudo dnf upgrade --advisory=FEDORA-2026-6b1bc90ebc

Ubuntu 25.10 · 7zip · NOT AFFECTED

Ubuntu 24.04 · p7zip · NOT AFFECTED

Ubuntu 25.04 · p7zip · NOT AFFECTED

Ubuntu 25.10 · p7zip · NOT AFFECTED

Debian 12 · 7zip · FIXED · 22.01+really25.01+dfsg-0+deb12u1

sudo apt update && sudo apt install --only-upgrade 7zip dpkg --compare-versions "$(dpkg-query -W -f='${Version}' 7zip)" ge "22.01+really25.01+dfsg-0+deb12u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · 7zip · FIXED · 25.01+dfsg-1~deb13u1

sudo apt update && sudo apt install --only-upgrade 7zip dpkg --compare-versions "$(dpkg-query -W -f='${Version}' 7zip)" ge "25.01+dfsg-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 12 · p7zip · FIXED · 16.02+really25.01+dfsg-0+deb12u1

sudo apt update && sudo apt install --only-upgrade p7zip dpkg --compare-versions "$(dpkg-query -W -f='${Version}' p7zip)" ge "16.02+really25.01+dfsg-0+deb12u1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · p7zip · FIXED · 16.02+transitional.1

sudo apt update && sudo apt install --only-upgrade p7zip dpkg --compare-versions "$(dpkg-query -W -f='${Version}' p7zip)" ge "16.02+transitional.1" && echo PATCHED || echo STILL-VULNERABLE

Amazon Linux 2023 · see advisory · FIXED · ALAS2023-2025-1251 · source

sudo dnf update --advisory=ALAS2023-2025-1251

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: pacbypass/CVE-2025-11001 (151 stars)
GitHub PoC: mbanyamer/CVE-2025-11001---7-Zip (7 stars)
GitHub PoC: shalevo13/Se7enSlip (4 stars)
Exploit-DB: 7-Zip 24.00 - Directory Traversal

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-11001?

7-zip: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-11001 being exploited?

CVE-2025-11001 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-11001 affect?

CVE-2025-11001 affects 7-zip. Severity is high (CVSS 7.8). 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit th

How urgent is CVE-2025-11001?

Priority 57/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference

Software pages

7-Zip vulnerabilities

Related CVEs

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CVE-2026-48103 MEDIUM 4.3 UPGRADE 7-Zip is a file archiver with a high compression ratio

References

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