What’s Vulnerable › Vulnerabilities

CVE-2026-113706: a2aproject a2a-rs inmemory.rs information disclosure

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-27
• Weakness: CWE-200

Description

A vulnerability was identified in a2aproject a2a-rs up to 0.4.3. Impacted is an unknown function of the file a2a-server/src/task_store/inmemory.rs. The manipulation of the argument historyLength leads to information disclosure. The attack is possible to be carried out remotely. The identifier of the patch is 68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb. To fix this issue, it is recommended to deploy a patch.

Affected products

• a2aproject a2a-rs: 0.4.0, 0.4.1, 0.4.2, 0.4.3

References

• https://github.com/a2aproject/a2a-rs/
• https://github.com/a2aproject/a2a-rs/commit/68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb
• https://github.com/a2aproject/a2a-rs/pull/122
• https://vuldb.com/cve/CVE-2026-113706
• https://vuldb.com/submit/1015040
• https://vuldb.com/vuln/422868
• https://vuldb.com/vuln/422868/cti

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