CVE-2026-82837 json
Insertion of Sensitive Information Into Sent Data in GitLab
published last mo. modified last mo. also BIT-gitlab-2026-82837 , EUVD-2026-78907
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints.
Patch / fix
- bitnami gitlab 19.1.8, 19.2.6, 19.3.2
- GitLab GitLab 19.1.8, 19.2.6, 19.3.2
Is CVE-2026-82837 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- hackerone.com https://hackerone.com/reports/3907835 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | gitlab | >=10.1.0, <19.1.8 >=19.2.0, <19.2.6 >=19.3.0, <19.3.2 |
19.1.8 19.2.6 19.3.2 |
Affected products
- GitLab GitLab
Classification
- Weakness
- Technology feeds
References
-
hackerone.com
/reports/3907835
technical-description, exploit, permissions-required, web
-
gitlab.com
/gitlab-org/gitlab/-/work_items/626540
broken-link, web
-
gitlab.com
/gitlab-org/gitlab/-/work_items/610136
broken-link, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-82837
web
Sources
- CVE List CVE-2026-82837
- NVD CVE-2026-82837
- OSV BIT-gitlab-2026-82837
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.