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CVE-2026-54527Published

JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename…

Exact source revision recorded 27 Oct 2026 14:13:32 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2026-54527

Published

JupyterLab Git is a Git extension for JupyterLab. From 0.30.0b3 before 0.54.0, the PlainTextDiff.ts createHeader() method passes Git filenames directly to innerHTML when rendering renamed files in commit history, allowing a crafted filename to execute JavaScript when a victim views the rename diff in the Git History tab. This issue is fixed in version 0.54.0.

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-79

Original publisher date fields

published: 2026-07-08T21:16:49.273

lastModified: 2026-10-25T17:10:00.197

3 source CPE criteria · context only
  • cpe:2.3:a:jupyter:jupyterlab-git:*:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta3:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
8 Jul 2026 21:16:49 UTC
Source modified
25 Oct 2026 17:10:00 UTC
Observed here
27 Oct 2026 14:13:32 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · [email protected] · Secondary · 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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

CVSS 3.1 · [email protected] · Primary · 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 20:55 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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