Allocation of Resources Without Limits or Throttling Affecting label-studio package, versions <1.22.0-r7


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
1.14% (66th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LABELSTUDIO-15449863
  • published11 Mar 2026
  • disclosed3 Mar 2026

Introduced: 3 Mar 2026

CVE-2026-25673  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Chainguard label-studio to version 1.22.0-r7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream label-studio package and not the label-studio package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

An issue was discovered in 6.0 before 6.0.3, 5.2 before 5.2.12, and 4.2 before 4.2.29. URLField.to_python() in Django calls urllib.parse.urlsplit(), which performs NFKC normalization on Windows that is disproportionately slow for certain Unicode characters, allowing a remote attacker to cause denial of service via large URL inputs containing these characters. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Seokchan Yoon for reporting this issue.

CVSS Base Scores

version 3.1