Read the docs
TI-2026-78718 Aliases CVE-2026-114105

Privilege escalation in adm-zip via setuid bits on extracted files

Priority LOW 29CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Partial Red Hat: 12 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

adm-zip before 0.6.1 from cthackers contains an incorrect permission assignment flaw (CWE-732). When keepOriginalPermission is enabled, zip external file attributes pass unmasked into chmod, so extracted files can gain setuid, setgid or sticky bits. An attacker who supplies a crafted zip file needs no privileges and no user interaction, and the executables gain elevated privileges when extracted as root and later run.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Adm-zip before 0.6.1 contains an incorrect permission assignment vulnerability that allows attackers to set setuid, setgid, or sticky bits on extracted files when keepOriginalPermission is enabled. Attackers can craft zip external file attributes that pass unmasked into chmod, letting attacker-controlled executables gain elevated privileges when extracted as root and later run.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00136 3rd percentileScored 2026-11-07
Fix Partial adm-zip (cthackers): 0.6.1Red Hat: 12 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
cthackersadm-zipbefore 0.6.10.6.1Patch availableCNA
  • adm-zip Vendorcthackers Affected before 0.6.1 Fixed in 0.6.1 Patch available CNA

Remediation

Update adm-zip to 0.6.1. Red Hat lists Cost Management On Premise, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat Build of Podman Desktop, Red Hat Connectivity Link 1, Red Hat Developer Hub 1 and other products as affected, with Red Hat's plan for Red Hat Advanced Cluster Management for Kubernetes 2 being no fix planned and the plan for the others being none available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA adm-zip (cthackers) Fixed in 0.6.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    cthackers adm-zip 0.6.1

    4 records Highest priority Priority HIGH 3 HIGH, 1 LOW

    Other records, highest priority first

    • TI-2026-78715 Denial of service in adm-zip via unhandled error in inflateAsyncPriority HIGH 77
    • TI-2026-78716 Decompression bomb guard bypass in adm-zip exhausts memoryPriority HIGH 70
    • TI-2026-78717 Duplicate ZIP entry names bypass validation in adm-zipPriority HIGH 69
    Show all 4 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Cost Management On PremiseAffectedNo fix yet: Fix deferred
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix planned: Out of support scope
Red Hat Build of Podman DesktopAffectedNo fix yet: Fix deferred
Red Hat Connectivity Link 1AffectedNo fix yet: Fix deferred
Red Hat Developer Hub 1AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat Fuse 7AffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 4AffectedNo fix yet: Fix deferred
Red Hat OpenShift Container Platform 5AffectedNo fix yet: Fix deferred
Self-service automation portal 2AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-114105
  2. 2026-10-21 CISA SSVC decision points changed
  3. 2026-10-21 Priority changed: MEDIUM → LOW
  4. 2026-10-22 Affected versions changed · Red Hat
  5. 2026-10-22 CVSS score added · Red Hat
  6. 2026-10-27 Affected versions changed · Red Hat
  7. 2026-10-30 Affected versions changed · Red Hat
  8. 2026-11-04 Affected versions changed · Red Hat

References

Advisory 1

  • TI-2026-78715 Denial of service in adm-zip via unhandled error in inflateAsync CVSS 4.0HIGH 8.7
  • TI-2026-53963 adm-zip: Uncontrolled memory allocation via the declared uncompressed size (DoS) CVSS 3.1HIGH 7.5
  • TI-2026-78716 Decompression bomb guard bypass in adm-zip exhausts memory CVSS 4.0MEDIUM 6.9
  • TI-2026-78717 Duplicate ZIP entry names bypass validation in adm-zip CVSS 4.0HIGH 8.2
  • TI-2026-67762 adm-zip extraction keeps setuid bits from untrusted ZIP files CVSS 3.1HIGH 7.1
  • TI-2026-62130 adm-zip 0.5.14 through 0.6.0 Denial of Service via Zero Declared Uncompressed Size CVSS 4.0HIGH 8.7
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences