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CVE-2026-87719VulnerabilityPublished

GitLab Has Remediated an Issue

Affects gitlabSource GCVE Database

0

Not known to be exploited · CVSS 9.9 Critical · fixed in 19.3.2 : patch gitlab as a priority.

Data as of 27 Oct 2026, 17:11 UTC

CVSS 3.1 base score
9.9Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 19.3.2, 19.2.6, 19.1.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade gitlab to 19.3.2, 19.2.6 or 19.1.8.

Affected software

ProductAffectedFixed in
RubyGemsgitlabpkg:gem/gitlabOther threatsAffected
  • >=18.3 <19.1.8
  • >=19.2 <19.2.6
  • >=19.3 <19.3.2
Fixed in
  • 19.1.8
  • 19.2.6
  • 19.3.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

GitLab has remediated this issue in versions 19.1.8, 19.2.6, and 19.3.2. Users should upgrade affected GitLab EE instances to these or later versions to mitigate the vulnerability. No information about alternative mitigations or temporary fixes is provided.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup.

References

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