# SBOM for calimero-client-py 0.9.0

> Python client SDK for Calimero Network

The Python package calimero-client-py 0.9.0 ships 1 SBOM file (CycloneDX) inside its wheels, under `.dist-info/sboms/` ([PEP 770](https://peps.python.org/pep-0770/)). Its wheels carry a verified PEP 740 attestation.

- Package URL (PURL): `pkg:pypi/calimero-client-py@0.9.0`
- PyPI: https://pypi.org/project/calimero-client-py/0.9.0/
- Requires Python: \>=3.9

## SBOMs

### calimero\_client\_py-0.9.0-cp313-cp313-win\_amd64.whl

PEP 740 attestation verified (GitHub, calimero-network/calimero-client-py, workflow build-wheels.yml).

- [calimero\_client\_py-0.9.0.dist-info/sboms/calimero-client-py.cyclonedx.json](https://pypi.sbomify.com/artifact/7613aaf0-26d9-5b15-8a8f-5538d0f93ba9/download): CycloneDX/1.5, `application/vnd.cyclonedx+json`, valid, 16 known vulnerabilities

## Known vulnerabilities

Components listed in these SBOMs, matched against the [OSV database](https://osv.dev/) as of 2026-11-10.

| Vulnerability | Severity | Component | Fixed in | Summary |
|---|---|---|---|---|
| [GHSA-36hh-v3qg-5jq4](https://osv.dev/vulnerability/GHSA-36hh-v3qg-5jq4) | high (8.7) | pyo3 0.22.6 (crates.io) | 0.29.0 | PyO3 has an Out-of-bounds Read in \`nth\` / \`nth\_back\` for \`PyList\` and \`PyTuple\` iterators |
| [RUSTSEC-2026-0340](https://osv.dev/vulnerability/RUSTSEC-2026-0340) | high (7.5) | quinn-proto 0.11.17 (crates.io) | 0.11.18 | Peer minimum ACK delay can panic quinn-proto when ACK\_FREQUENCY transmission is enabled |
| [RUSTSEC-2026-0343](https://osv.dev/vulnerability/RUSTSEC-2026-0343) | high (7.5) | quinn-proto 0.11.17 (crates.io) | 0.11.18 | Outgoing datagram buffer accounting can panic the sender in quinn-proto |
| [RUSTSEC-2026-0177](https://osv.dev/vulnerability/RUSTSEC-2026-0177) | medium (6.3) | pyo3 0.22.6 (crates.io) | 0.29.0 | Missing \`Sync\` bound on \`PyCFunction::new\_closure\` closures |
| [CVE-2023-49092](https://insights.sbomify.com/CVE-2023-49092/) | medium (5.9) | rsa 0.9.10 (crates.io) | 0.10.0 | Marvin Attack: potential key recovery through timing sidechannels |
| [CVE-2026-123613](https://insights.sbomify.com/CVE-2026-123613/) | medium (5.3) | rustls 0.23.43 (crates.io) | 0.23.45 | TLS 1.3 handshake messages incorrectly accepted across encryption level boundaries |
| [CVE-2026-123609](https://insights.sbomify.com/CVE-2026-123609/) | medium (4.0) | rustls 0.23.43 (crates.io) | 0.23.46 | \`Debug\` impls for client session values expose TLS secrets |
| [CVE-2026-123610](https://insights.sbomify.com/CVE-2026-123610/) | low (3.7) | rustls 0.23.43 (crates.io) | 0.23.46 | Brotli certificate decompression can allocate up to 1 GiB before authentication |
| [CVE-2026-123611](https://insights.sbomify.com/CVE-2026-123611/) | low (3.7) | rustls 0.23.43 (crates.io) | 0.23.46 | Unauthenticated ServerHello can downgrade later connections to classical key exchange |
| [RUSTSEC-2025-0020](https://osv.dev/vulnerability/RUSTSEC-2025-0020) | low (2.9) | pyo3 0.22.6 (crates.io) | 0.24.1 | Risk of buffer overflow in \`PyString::from\_object\` |
| [RUSTSEC-2026-0387](https://osv.dev/vulnerability/RUSTSEC-2026-0387) | unknown | crypto-bigint 0.5.5 (crates.io) | 0.7.6 | Multiple timing variability issues in operations intended to be constant-time |
| [RUSTSEC-2026-0338](https://osv.dev/vulnerability/RUSTSEC-2026-0338) | unknown | quinn-proto 0.11.17 (crates.io) | 0.11.18 | Remote peer can panic quinn-proto with zero-length STREAM frames during unordered reads |
| [CVE-2026-111943](https://insights.sbomify.com/CVE-2026-111943/) | unknown | rustls-webpki 0.103.15 (crates.io) | 0.103.16 | Certificate verification may accept distrusted intermediates |
| [RUSTSEC-2026-0386](https://osv.dev/vulnerability/RUSTSEC-2026-0386) | unknown | tokio 1.53.1 (crates.io) | 1.53.3 | \`AsyncFd::new\` and related constructors violate I/O safety |
| [CVE-2026-111943](https://insights.sbomify.com/CVE-2026-111943/) | unknown | webpki-root-certs 1.0.9 (crates.io) | 1.0.10 | Bundled root certificates allow trust in distrusted emSign intermediates |
| [CVE-2026-111943](https://insights.sbomify.com/CVE-2026-111943/) | unknown | webpki-roots 1.0.9 (crates.io) | 1.0.10 | Bundled root certificates allow trust in distrusted emSign intermediates |

## Fetch it over TEA

This SBOM is served over the [Transparency Exchange API](https://github.com/CycloneDX/transparency-exchange-api) (TEA). With the `libtea` client:

```
pip install libtea
python -m libtea https://pypi.sbomify.com pkg:pypi/calimero-client-py@0.9.0
```

Machine-readable copy of this page: https://pypi.sbomify.com/package/calimero-client-py/0.9.0.json

---
From pypi-tea by sbomify: https://pypi.sbomify.com/package/calimero-client-py/0.9.0