CVE-2025-11023: Local File Inclusion in ArkSigner's AcBakImzala

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-23 · updated 2026-10-08
Weakness: CWE-98

Description

Inclusion of Functionality from Untrusted Control Sphere, Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ArkSigner Software and Hardware Inc. AcBakImzala allows PHP Local File Inclusion. This issue affects AcBakImzala: before v5.1.4.

Affected products

ArkSigner Software and Hardware Inc. AcBakImzala: before v5.1.4 — fixed in v5.1.4

How to fix

Upgrade to a fixed version: ArkSigner Software and Hardware Inc. AcBakImzala v5.1.4. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0356
https://www.usom.gov.tr/bildirim/tr-25-0356

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