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CVE-2026-71560

Apache Fory insecure deserialization

9.1 CRITICALEPSS 0.77%
  1. Published7 Aug 2026

Description

Out-of-bounds Read vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0 when deserializing structs containing tagged integer fields. A crafted input payload may trigger an out-of-bounds heap read in the tagged integer fast-path deserializer, potentially causing information disclosure or denial of service. Users are recommended to upgrade to Apache Fory 1.5.0, which fixes this issue. Applications that do not use Apache Fory C++ or do not use tagged integer fields are not affected.

CVSS 3.1 breakdown

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

Affected products

Apache Fory≥ 0.14.0 < 1.5.0

Remediation

Fixed in
Apache Fory≥ 1.5.0

References

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Frequently asked

Is CVE-2026-71560 being actively exploited?

CVE-2026-71560 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.77%.

How severe is CVE-2026-71560?

CVE-2026-71560 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.77% probability of exploitation.

Which products are affected by CVE-2026-71560?

Affected products include Apache Fory.

How do I fix CVE-2026-71560?

Upgrade affected software to a fixed version, for example Apache Fory 1.5.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-71560 against the real software inventory on every managed device, every day. 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.

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