CVE-2026-78885 json
liketrek TREK OIDC Service oidcService.ts findOrCreateUser improper authentication
published 4mo ago modified 2mo ago also EUVD-2026-65473 , GHSA-fvgw-r58q-4cw4
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository liketrek/TREK. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 5.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
A vulnerability was identified in liketrek TREK up to 3.0.22. The impacted element is the function findOrCreateUser of the file server/src/services/oidcService.ts of the component OIDC Service. Such manipulation leads to improper authentication. It is possible to launch the attack remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. Upgrading to version 3.1.0 is sufficient to resolve this issue. Upgrading the affected component is advised.
Patch / fix
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X |
| CNA | 3.1 | 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 3.0 | 5.6 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 2.0 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
| CNA | 4.0 | 6.3 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Affected products
- liketrek TREK
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/liketrek/TREK/releases/tag/v3.1.0
patch
-
vuldb.com
/vuln/394941
vdb-entry, technical-description
-
vuldb.com
/vuln/394941/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-78885
third-party-advisory
-
vuldb.com
/submit/886931
third-party-advisory
-
github.com
/mauriceboe/TREK/security/advisories/GHSA-fvgw-r58q-4cw4
related
-
github.com
/liketrek/TREK/security/advisories/GHSA-fvgw-r58q-4cw4
advisory
Sources
- CVE List CVE-2026-78885
- NVD CVE-2026-78885
- Maintainer advisory GHSA-fvgw-r58q-4cw4
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.
The maintainers of liketrek/TREK published their own advisory on GitHub. Reviewed sources take precedence over it.