---
title: "CVE-2026-111101: mtrudel bandit - Allocation of Resources Without Limits or Throttling"
description: "mtrudel bandit 0.1.0 before 1.14.0 contains an allocation of resources without limits or throttling caused by unbounded HTTP/1.1 chunked body reader in lib/bandit/http1/socket.ex, letting unauthenticated remote attackers exhaust server memory and CPU via many 1-byte chunks, exploit requires sending crafted chunked request bodies."
url: https://panop.io/threat-heartbeat/CVE-2026-111101/
---

# CVE-2026-111101 mtrudel bandit - Allocation of Resources Without Limits or Throttling

mtrudel bandit 0.1.0 before 1.14.0 contains an allocation of resources without limits or throttling caused by unbounded HTTP/1.1 chunked body reader in lib/bandit/http1/socket.ex, letting unauthenticated remote attackers exhaust server memory and CPU via many 1-byte chunks, exploit requires sending crafted chunked request bodies.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111101)

## Details

Type

Allocation of Resources Without Limits or Throttling

Impact

Denial Of Service

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

26 October 2026

Updated

27 October 2026

Weakness

[CWE-770](https://cwe.mitre.org/data/definitions/770.html)

## Vendor fix

Upgrade to version 1.14.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111101](https://nvd.nist.gov/vuln/detail/CVE-2026-111101)
- [https://cna.erlef.org/cves/CVE-2026-111101.html](https://cna.erlef.org/cves/CVE-2026-111101.html)
- [https://github.com/mtrudel/bandit/commit/220b9dfd27f9a21305be2afc75cbe585ddc24e7a](https://github.com/mtrudel/bandit/commit/220b9dfd27f9a21305be2afc75cbe585ddc24e7a)
- [https://github.com/mtrudel/bandit/commit/7201270c34b90f6c9e15c0386c2bb802c0c72ab4](https://github.com/mtrudel/bandit/commit/7201270c34b90f6c9e15c0386c2bb802c0c72ab4)
- [https://github.com/mtrudel/bandit/security/advisories/GHSA-jwh3-j29h-qfmw](https://github.com/mtrudel/bandit/security/advisories/GHSA-jwh3-j29h-qfmw)
- [https://osv.dev/vulnerability/EEF-CVE-2026-111101](https://osv.dev/vulnerability/EEF-CVE-2026-111101)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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