CVE-2026-60080: Apache Fory: Rust MetaString heap use-after-free

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-21 · updated 2026-10-24
Weakness: CWE-416

Description

Use After Free vulnerability in the Rust deserialization logic of Apache Fory. This issue affects Apache Fory from 0.13.0 through 1.3.0. A crafted Fory payload could cause undefined behavior, process crash, or potential memory disclosure. Users are recommended to upgrade to version 1.4.0, which fixes the issue.

Affected products

Apache Software Foundation Apache Fory: from 0.13.0 before 1.4.0 — fixed in 1.4.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Fory 1.4.0. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread/svnq03f3ls7vsgk8md4hjmmw1z6stbvy
http://www.openwall.com/lists/oss-security/2026/07/21/3

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