Secuno
ENNL
Book demo

CVE-2026-64606

Apache Fory insecure deserialization

9.8 CRITICALEPSS 0.78%
  1. Published21 Jul 2026

Description

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Fory≥ 0.5.0 < 1.4.0

Remediation

Fixed in
Apache Fory≥ 1.4.0

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1092378.1
Crawl4AI from 0.9.0 before 0.9.4 contains an untrusted-config gate bypass that allows…
CVE-2026-1093918.1
Square Squash through commit e73f280 contains an insecure deserialization vulnerability…
CVE-2026-126138.8
Deserialization of untrusted data vulnerability in Ministry of Justice General…
CVE-2026-529038.8
A deserialization of untrusted data vulnerability was found in ManageIQ. The…
CVE-2026-817979.8
Unauthenticated PHP Object Injection in Buzz Stone | Magazine & Viral Blog WordPress…
CVE-2026-785359.8
Unauthenticated PHP Object Injection in Photolia <= 1.0.3…

Frequently asked

Is CVE-2026-64606 being actively exploited?

CVE-2026-64606 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.78%.

How severe is CVE-2026-64606?

CVE-2026-64606 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.78% probability of exploitation.

Which products are affected by CVE-2026-64606?

Affected products include Apache Fory.

How do I fix CVE-2026-64606?

Upgrade affected software to a fixed version, for example Apache Fory 1.4.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-64606 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.