High severity7.3NVD Advisory· Published Feb 11, 2026· Updated Jun 17, 2026

CVE-2026-0595

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

GitLab Inc./GitLabv54 versions
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 13.9
- (no CPE)range: from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=13.9.0,<18.6.6
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=13.9.0,<18.6.6
osv-coords85 versions
pkg:apk/chainguard/gitlab-rails-ce-18.4 pkg:apk/chainguard/gitlab-rails-ce-assets-18.1 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.1 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.2 pkg:apk/chainguard/gitlab-runner-helper-fips-18.7 pkg:apk/chainguard/gitlab-docker-machine-18.7 pkg:apk/chainguard/gitlab-docker-machine-fips-18.8 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.4 pkg:apk/chainguard/gitlab-rails-ce-doc-18.2 pkg:apk/chainguard/gitlab-pages-fips-18.8 pkg:apk/chainguard/gitlab-rails-ce-18.1 pkg:apk/chainguard/gitlab-rails-ce-doc-18.3 pkg:apk/chainguard/gitlab-runner-helper-compat-18.7 pkg:apk/chainguard/gitlab-runner-helper-compat-18.8 pkg:apk/chainguard/gitlab-runner-helper-compat-fips-18.7 pkg:apk/wolfi/gitlab-docker-machine-18.7 pkg:apk/wolfi/gitlab-runner-helper-oci-entrypoint-18.8 pkg:apk/wolfi/gitlab-runner-oci-entrypoint-18.8 pkg:apk/chainguard/gitlab-rails-ce-18.2 pkg:apk/chainguard/gitlab-rails-ce-doc-18.1 pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.2 pkg:apk/wolfi/gitlab-runner-18.7 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.5 pkg:apk/chainguard/gitlab-runner-helper-oci-entrypoint-18.8 pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.3 pkg:apk/wolfi/gitlab-runner-18.8 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.2 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.6 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.8 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.4 pkg:apk/chainguard/gitlab-rails-ce-fips-18.1 pkg:apk/chainguard/gitlab-runner-fips-18.8 pkg:apk/chainguard/gitlab-runner-helper-18.7 pkg:apk/chainguard/gitlab-runner-helper-18.8 pkg:apk/chainguard/gitlab-runner-helper-oci-entrypoint-fips-18.7 pkg:apk/chainguard/gitlab-docker-machine-fips-18.7 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.7 pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.1 pkg:bitnami/gitlab pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.1 pkg:apk/chainguard/gitlab-runner-18.8 pkg:apk/chainguard/gitlab-runner-helper-compat-fips-18.8 pkg:apk/chainguard/gitlab-rails-ce-18.3 pkg:apk/chainguard/gitlab-rails-ce-doc-18.4 pkg:apk/chainguard/gitlab-rails-ce-doc-18.5 pkg:apk/chainguard/gitlab-rails-ce-fips-18.7 pkg:apk/chainguard/gitlab-runner-helper-oci-entrypoint-18.7 pkg:apk/wolfi/gitlab-runner-helper-oci-entrypoint-18.7 pkg:apk/wolfi/gitlab-runner-oci-entrypoint-18.7 pkg:apk/chainguard/gitlab-rails-ce-18.5 pkg:apk/chainguard/gitlab-rails-ce-assets-18.2 pkg:apk/chainguard/gitlab-rails-ce-assets-18.3 pkg:apk/chainguard/gitlab-rails-ce-assets-18.4 pkg:apk/chainguard/gitlab-rails-ce-assets-18.5 pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.3 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.3 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.5 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.6 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.7 pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.8 pkg:apk/chainguard/gitlab-rails-ce-fips-18.2 pkg:apk/chainguard/gitlab-rails-ce-fips-18.3 pkg:apk/chainguard/gitlab-rails-ce-fips-18.4 pkg:apk/chainguard/gitlab-rails-ce-fips-18.5 pkg:apk/chainguard/gitlab-rails-ce-fips-18.6 pkg:apk/chainguard/gitlab-rails-ce-fips-18.8 pkg:apk/chainguard/gitlab-runner-18.7 pkg:apk/chainguard/gitlab-runner-fips-18.7 pkg:apk/chainguard/gitlab-runner-helper-fips-18.8 pkg:apk/chainguard/gitlab-runner-helper-oci-entrypoint-fips-18.8 pkg:apk/chainguard/gitlab-runner-oci-entrypoint-18.7 pkg:apk/chainguard/gitlab-runner-oci-entrypoint-18.8 pkg:apk/chainguard/gitlab-runner-oci-entrypoint-fips-18.7 pkg:apk/chainguard/gitlab-runner-oci-entrypoint-fips-18.8 pkg:apk/chainguard/gitlab-workhorse-ce-18.1 pkg:apk/chainguard/gitlab-workhorse-ce-18.2 pkg:apk/chainguard/gitlab-workhorse-ce-18.3 pkg:apk/chainguard/gitlab-workhorse-ce-18.4 pkg:apk/chainguard/gitlab-workhorse-ce-18.5 pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.4 pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.5 pkg:apk/wolfi/gitlab-runner-helper-18.7 pkg:apk/wolfi/gitlab-runner-helper-18.8 pkg:apk/wolfi/gitlab-runner-helper-compat-18.7 pkg:apk/wolfi/gitlab-runner-helper-compat-18.8
< 18.4.6-r1+ 84 more
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.1.6-r6
- (no CPE)range: < 18.1.6-r5
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.8.4-r0
- (no CPE)range: < 18.1.6-r6
- (no CPE)range: < 18.3.6-r3
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.1.6-r6
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.3.6-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.6.6-r0
- (no CPE)range: < 18.8.4-r0
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.1.6-r5
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.7.4-r0
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: >= 13.9.0, < 18.6.6
- (no CPE)range: < 18.1.6-r5
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.3.6-r3
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.7.4-r0
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.3.6-r3
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.6.6-r0
- (no CPE)range: < 18.7.4-r0
- (no CPE)range: < 18.8.4-r0
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.4.6-r1
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.6.6-r0
- (no CPE)range: < 18.8.4-r0
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.7.2-r4
- (no CPE)range: < 18.8.0-r2
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.3.6-r2
- (no CPE)range: < 18.4.6-r0
- (no CPE)range: < 18.5.5-r1
- (no CPE)range: < 18.4.6-r0
- (no CPE)range: < 18.5.5-r0
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
- (no CPE)range: < 18.7.2-r3
- (no CPE)range: < 18.8.0-r1
GitLab Inc./GitLab EE and CEllm-fuzzy
Range: from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4

Patches

Vulnerability mechanics

References

about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/nvdRelease NotesVendor Advisory
gitlab.com/gitlab-org/gitlab/-/issues/584975nvdBroken LinkIssue Tracking
hackerone.com/reports/3486862nvdPermissions Required

News mentions

GitLab Patch Release: 18.8.4, 18.7.4, 18.6.6
GitLab Security Releases · Feb 10, 2026

cvss	0.474
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000