CVE-2026-16553
Insufficiently Protected Credentials in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Insufficiently Protected Credentials in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
CVE-2026-16553- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-522
- Updated
- 2026-11-02
EUVDEUVD-2026-50475
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
EUVD-2026-50475- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5c98-v836-vg79
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1...
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
GHSA-5c98-v836-vg79- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-522
- Updated
- 2026-11-02
NVD
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
CVE-2026-16553- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-522
- Updated
- 2026-11-02
OSV
Insufficiently Protected Credentials in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
CVE-2026-16553- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L - Weakness
- CWE-522
- Updated
- 2026-11-02
OSVBIT-gitlab-2026-16553 No score
Insufficiently Protected Credentials in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed some sensitive information to be disclosed to an unintended host due to improper handling of upstream requests in virtual registries.
- Record
BIT-gitlab-2026-16553- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
18.8.0 up to 19.0.5, 19.1.0 up to 19.1.3, 19.2.0 up to 19.2.1 | 19.0.519.1.319.2.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-16553 is a medium vulnerability (CVSS 5.4) in Gitlab, published July 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in gitlab 19.0.5.