CVE-2026-113705 a2aproject a2a-rs error.rs information exposure
Medium 6.9
Published
Updated
Check this codebase for CVE-2026-113705 and fix it if it is affected.
What it is: CVE-2026-113705 is a medium-severity vulnerability in a2aproject a2a-rs, published on 20 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-113705 in the wild and no public exploit code.
Affected product: a2aproject a2a-rs. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-113705/ (Markdown: https://insights.sbomify.com/CVE-2026-113705/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113705?
CVE-2026-113705 is a medium-severity vulnerability in a2aproject a2a-rs, published on 20 Oct 2026.
Official description
A vulnerability was determined in a2aproject a2a-rs up to 0.4.3. This issue affects some unknown processing of the file a2a-server/src/error.rs. Executing a manipulation can lead to information exposure through error message. The attack can be executed remotely. This patch is called 713b943af94ab2d521d483b841618b97a2e78a4d. A patch should be applied to remediate this issue.
Which versions are affected by CVE-2026-113705?
How do I fix CVE-2026-113705?
No fix has been published for CVE-2026-113705 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113705 being exploited?
There is no known exploitation of CVE-2026-113705 in the wild and no public exploit code.
Sources
Also known as GHSA-fjv6-497g-h4xf.