Vulnerability · Published Oct 6, 2026 · Assigned by VulDB

CVE-2026-105707uptrace user_handler.go Login information exposure

Medium 5.3

In plain English

A medium-severity information exposure in uptrace. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 73.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	uptrace	2.1.0-beta.02.1.0-beta.12.1.0-beta.22.1.0-beta.32.1.0-beta.42.1.0-beta.52.1.0-beta.62.1.0-beta.7

Weakness: CWE-209, CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C

References

VDB-413700 | uptrace user_handler.go Login information exposure vdb-entry, technical-description
VDB-413700 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-105707 | CVE Analysis and Report third-party-advisory
Submit #992057 | https://github.com/uptrace/ uptrace 2.1.0-beta.5 Information Disclosure third-party-advisory
https://github.com/uptrace/uptrace/issues/600 exploit, issue-tracking
https://github.com/uptrace/uptrace/ product