CVE-2026-100755 (GCVE-0-2026-100755)

Vulnerability from cvelistv5 – Published: 2026-10-13 01:05 – Updated: 2026-10-13 01:05
VLAI
Title
Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.
Severity
4.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
Assigner
GitLab CNA under the mitre root
CNA scorecard C 75/100 over 312 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 16.2 , < 19.2.8 (semver)
Affected: 19.3 , < 19.3.5 (semver)
Affected: 19.4 , < 19.4.2 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
This vulnerability has been discovered internally by GitLab team member Peter Arts
Show details on NVD website
To clipboard 

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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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