CVE-2026-1102 — Allocation of Resources Without Limits or Throttling in GitLab

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HIGH

Allocation of Resources Without Limits or Throttling in GitLab

Published Jan 22, 2026

7.5

HIGH

CVSS 3.1

EPSS 0.59%

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending repeated malformed SSH authentication requests.

Affected products

Vendor GitLab Product GitLab Default
unaffected
- Version
  12.3
  Status
  affected
  Constraints
  <18.6.4
- Version
  18.7
  Status
  affected
  Constraints
  <18.7.2
- Version
  18.8
  Status
  affected
  Constraints
  <18.8.2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

GitLab

unaffected

Version	Status	Constraints
12.3	affected	<18.6.4
18.7	affected	<18.7.2
18.8	affected	<18.8.2

Remediation

Vendor solution

Upgrade to versions 18.6.4, 18.7.2, 18.8.2 or above.

Metrics

0.59% 0.00594

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00594

Score over time

Jan–Oct 2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.59% (0.00594)	46.52th	v5 (v2026.06.15)
Jun 15, 2026	0.54% (0.00538)	40.84th	v5 (v2026.06.15)
Jan 23, 2026	0.05% (0.00054)	17.08th	v4 (v2025.03.14)

Weaknesses (1)

CWE-770

Allocation of Resources Without Limits

References (2)

https://about.gitlab.com/releases/2026/01/21/patch-release-gitlab-18-8-2-released/
Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/579746
issue-trackingpermissions-requiredBroken Link

Link	Providers	Tags
https://about.gitlab.com/releases/2026/01/21/patch-release-gitlab-18-8-2-released/		Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/579746		issue-trackingpermissions-requiredBroken Link