Microsoft · OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs
Affects MicrosoftSource GCVE Database
Not known to be exploited · CVSS 2.0 Low : upgrade to 1.45.0 when convenient.
Data as of 2 Nov 2026, 10:58 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.45.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade opentelemetry-go and github.com/open-telemetry/opentelemetry-go to 1.45.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| open-telemetryopentelemetry-go | Affected
| Fixed in
|
Gogithub.com/open-telemetry/opentelemetry-gopkg:golang/github.com/open-telemetry/opentelemetry-goOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should review logging configurations to avoid logging sensitive endpoint URLs in info logs until an official fix is released.
Description
A vulnerability in OpenTelemetry-Go version 3.0 causes exporter configuration logging to potentially leak endpoint URLs in informational logs. This could expose sensitive endpoint information through logs.