Red Hat Ansible Community General Collection Memcached Cache Plugin deserialization

Summaryinfo

A vulnerability was found in Red Hat Ansible Community General Collection and classified as critical. This affects an unknown part of the component Memcached Cache Plugin. The manipulation results in deserialization. This vulnerability is reported as CVE-2026-87874. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Red Hat Ansible Community General Collection (the affected version is unknown). Affected is an unknown code of the component Memcached Cache Plugin. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in the memcached cache plugin of the community.general Ansible collection. Although its documentation states that records are stored in JSON format, the plugin performs no explicit serialization and relies on python-memcached, which pickles values on write and unpickles them on read. Because memcached is unauthenticated and cache keys are predictable, an attacker able to reach a network-exposed or shared memcached instance can write a crafted pickle payload that is deserialized and executed on the Ansible controller when the poisoned fact cache is next read, leading to remote code execution.

The advisory is shared for download at access.redhat.com. This vulnerability is traded as CVE-2026-87874 since 09/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/09/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Red Hat

Name

• Ansible Community General Collection

License

• open-source

Website

• Vendor: https://www.redhat.com/

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