Information exposure through error messages in uptrace Login
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
Uptrace versions up to 2.1.0-beta.8 expose sensitive information through error messages returned by the Login function in pkg/org/user_handler.go (CWE-209). A remote attacker without privileges or user interaction can read the information leaked in those error messages. A public exploit has been disclosed and is linked in the references. The project was informed through an issue report but has not responded.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A security vulnerability has been detected in uptrace up to 2.1.0-beta.8. Affected by this vulnerability is the function Login of the file pkg/org/user_handler.go. The manipulation leads to information exposure through error message. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | uptrace | 2.1.0-beta.0; 2.1.0-beta.1; 2.1.0-beta.2; 2.1.0-beta.3; 2.1.0-beta.4; 2.1.0-beta.5; 2.1.0-beta.6; 2.1.0-beta.7; 2.1.0-beta.8 | — | No fix listed | CNA |
- uptrace Vendor— Affected 2.1.0-beta.0; 2.1.0-beta.1; 2.1.0-beta.2; 2.1.0-beta.3; 2.1.0-beta.4; 2.1.0-beta.5; 2.1.0-beta.6; 2.1.0-beta.7; 2.1.0-beta.8 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for uptrace.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-06 Threatist record created from CVE-2026-105707
- 2026-10-06 Alias added: GHSA-85r3-4mxm-7cmx
- 2026-10-06 CISA SSVC decision points changed
- 2026-10-06 Priority changed: MEDIUM → HIGH
References
Sources
- CVE-2026-105707 · CVE Program
- CVE-2026-105707 · NVD
- FIRST EPSS
- GHSA-85r3-4mxm-7cmx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences