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01 Record

CVE-2026-104024

Incomplete dangerous-extension list in PeaZip object open allows execution of a program or command from a crafted archive entry without confirmation

MediumPUBLISHEDCNA: Secur0
CNA base score4.6 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

02 Description

Incomplete dangerous-extension list in PeaZip object open allows execution of a program or command from a crafted archive entry without confirmation

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 2.1% of scored records. A rank, not a probability.
NVD base score
4.6 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Deferred. NVD last modified this record on 2026-10-16.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-15 13:30Z14 DAYS AGO
Last updated
2026-10-16 18:47Z12 DAYS AGO
Reserved
2026-10-01
Assigning CNA
Secur0
Record state
PUBLISHED
Severity
Medium (CVSS 4.6)
CNA CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weaknesses
  • CWE-184Incomplete List of Disallowed InputsBase
  • CWE-693Protection Mechanism FailurePillar
Data version
5.2
Document digest
24590e76a02c44f94331797f2cbdc301047df3343d5d33285e118a6db10ecad8

05 Affected products

VendorProductVersionsPlatforms
PeaZipPeaZip10.5.0 to < 11.3.0Windows

06 References

07 Remediation

Upgrade to PeaZip 11.3.0 or higher. The fix extends the dangerous-extension list to cover shell-executable and scripting-host types (among them .url and .lnk) so the confirmation prompt is raised for them as well, and applies the check to the open/preview-with-associated-application route in addition to the double-click handler. Fix commit 90ddbae (2026-08-27).