A security flaw has been discovered in a2aproject a2a-rs up to 0.4.4. The affected element is the function InMemoryTaskStore::update of the file a2a-server/src/task_store/inmemory.rs. The manipulation results in race condition. The attack may be performed from remote. The patch is identified as 7050c7d329238539424ee46440e23b91c4825bee. It is advisable to implement a patch to correct this issue.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
a2aproject a2a-rs affected
Version Status Constraints
0.4.0 affected —
0.4.1 affected —
0.4.2 affected —
0.4.3 affected —
0.4.4 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
A2aproject Subscribe
A2a-rs Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/a2aproject/a2a-rs/ cve-icon cve-icon
https://github.com/a2aproject/a2a-rs/commit/7050c7d329238539424ee46440e23b91c4825bee cve-icon cve-icon
https://github.com/a2aproject/a2a-rs/pull/126 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-113707 cve-icon cve-icon
https://vuldb.com/submit/1015056 cve-icon cve-icon
https://vuldb.com/vuln/422869 cve-icon cve-icon
https://vuldb.com/vuln/422869/cti cve-icon cve-icon
History

Tue, 20 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in a2aproject a2a-rs up to 0.4.4. The affected element is the function InMemoryTaskStore::update of the file a2a-server/src/task_store/inmemory.rs. The manipulation results in race condition. The attack may be performed from remote. The patch is identified as 7050c7d329238539424ee46440e23b91c4825bee. It is advisable to implement a patch to correct this issue.
Title a2aproject a2a-rs inmemory.rs update race condition
First Time appeared A2aproject
A2aproject a2a-rs
Weaknesses CWE-362
CPEs cpe:2.3:a:a2aproject:a2a-rs:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-rs
References
Metrics cvssV2_0

{'score': 5.5, 'vector': 'AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-20T23:30:22.622Z

Reserved: 2026-10-20T15:57:23.915Z

Link: CVE-2026-113707

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T00:17:49.157

Modified: 2026-10-21T00:17:49.157

Link: CVE-2026-113707

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses