CVE-2026-41603 Apache Thrift has an issue with Java TSSLTransportFactory hostname verification
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Published
Updated
Check this codebase for CVE-2026-41603 and fix it if it is affected.
What it is: CVE-2026-41603 is a vulnerability in thrift, published on 28 Apr 2026.
Exploitation: There is no known exploitation of CVE-2026-41603 in the wild and no public exploit code.
Affected packages and fixed versions:
- org.apache.thrift:libthrift (Maven): affected all versions; fixed in 0.23.0
- org.apache.thrift:libthrift (Maven): affected all versions; fixed in 0.23.0
- thrift (Bitnami): affected all versions; fixed in 0.23.0
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-2026-41603/ (Markdown: https://insights.sbomify.com/CVE-2026-41603/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-41603?
CVE-2026-41603 is a vulnerability in thrift, published on 28 Apr 2026.
Official description
This CVE ID is Rejected and will not be used. The record incorrectly described the affected language binding and fixed version. Use CVE-2026-66053, which was assigned to the vulnerability.
Which versions are affected by CVE-2026-41603?
3 open source packages ship an affected version, including org.apache.thrift:libthrift and thrift.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.thrift:libthrift Maven | All versions | 0.23.0 |
org.apache.thrift:libthrift Maven | All versions | 0.23.0 |
thrift Bitnami | All versions | 0.23.0 |
How do I fix CVE-2026-41603?
Upgrade org.apache.thrift:libthrift to 0.23.0 or later.
Is CVE-2026-41603 being exploited?
There is no known exploitation of CVE-2026-41603 in the wild and no public exploit code.
Sources
Also known as BIT-thrift-2026-41603, CLEANSTART-2026-AY31521, GHSA-gf47-qgg5-9g9q, UBUNTU-CVE-2026-41603.