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GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenti…

CVE-2026-77801

What this means

This is rated medium severity (6.5 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Gitlab Gitlab is in your estate.

Full vendor description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.

Scoring and exploitation

6.5/ 10
CVSS 3.1 base scoreMedium

Exploitable over the network with a low-privilege account, and no one has to click or open anything. High impact on availability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredLowPR:L
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityNoneC:N
IntegrityNoneI:N
AvailabilityHighA:H
~0.3% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Not confirmed in the
Not reported

Weaknesses

CWE-770

Affected products ()

  • Gitlab Gitlab
Show the raw CPE strings (4)
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:gitlab:gitlab:19.3.0:*:*:*:community:*:*:*
  • cpe:2.3:a:gitlab:gitlab:19.3.0:*:*:*:enterprise:*:*:*

References

2 links from the CVE record, grouped by site; the vendor's advisory comes first.