Red Hat Security Advisory: opentelemetry-collector security update
Affects Red Hat opentelemetry-collectorSource GCVE Database
Not known to be exploited · CVSS 6.8 Medium.
Data as of 3 Nov 2026, 17:59 UTC
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Jun 2025
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 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Gonet/httppkg:golang/net/httpOther 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
Red Hat has released security updates for the OpenTelemetry Collector in Red Hat Enterprise Linux 9 and its extended update support variants. Users should apply the provided updates as described in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate this vulnerability. No additional mitigation actions are indicated by the vendor.
Description
A moderate severity security vulnerability (CVE-2025-4673) affects the Red Hat build of the OpenTelemetry Collector. The issue involves sensitive HTTP headers not being cleared on cross-origin redirects in the net/http component. This could potentially expose sensitive header information during such redirects. Red Hat has released an update for the OpenTelemetry Collector in Red Hat Enterprise Linux 9 to address this vulnerability.