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Medium, CVSS 5.8

lakeFS vulnerable to Arbitrary JavaScript Injection via Direct Link to HTML Files

GHSA-9phh-r37v-34wh

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/treeverse/lakefs 0.106.0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
5.8 · CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Impact The browser renders the resulting HTML when opening a direct link to an HTML file via lakeFS. Any JavaScript within that page is executed within the context of the domain lakeFS is running in. An attacker can inject a malicious script inline, download resources from another domain, or make arbitrary HTTP requests. This would allow the attacker to send information to a random domain or carry out lakeFS operations while impersonating the victim. Note that to carry out this attack, an attacker must already have access to upload the malicious HTML file to one or more repositories. It also depends on the victim receiving and opening the link to the malicious HTML file. Patches This is fixed in lakeFS version 0.106.0 Workarounds There are no known workarounds at this time.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-9phh-r37v-34wh

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-9phh-r37v-34wh

Advisory: lakeFS vulnerable to Arbitrary JavaScript Injection via Direct Link to HTML Files
IDs: GHSA-9phh-r37v-34wh
Record: https://patchnext.com/advisories/ghsa-9phh-r37v-34wh (revision 1, source checked 26 Oct 2026, 14:58 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/treeverse/lakefs 0.106.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/treeverse/lakefs: affected < 0.106.0; fixed in 0.106.0

## Suggested inspection (read-only)
- Go github.com/treeverse/lakefs: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/treeverse/lakefs.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-9phh-r37v-34wh (GitHub-reviewed advisory GHSA-9phh-r37v-34wh lists affected ranges: Go github.com/treeverse/lakefs >=0 <0.106.0)

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