CVE-2023-0838 is a low-severity information disclosure vulnerability in GitLab versions 15.1 through 15.8.4, 15.9 through 15.9.3, and 15.10.0. A maintainer could exploit this flaw by manipulating a webhook URL to leak masked webhook secrets, building upon an incomplete fix for a previous CVE. The attack requires high privileges (PR:H) and has low impact on confidentiality and integrity (C:L, I:L). There is no evidence of active exploitation, public exploit code, or inclusion in the CISA KEV catalog, though it has received some community and media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 15.1.0, < 15.8.5CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 15.1.0, < 15.8.5CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
>= 15.9.0, < 15.9.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | ||
>= 15.9.0, < 15.9.4CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | ||
15.10.0CPE matchmatch criteria | cpe:2.3:a:gitlab:gitlab:15.10.0:*:*:*:community:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.