Red Hat Security Advisory: opentelemetry-collector security update
Affects Red Hat opentelemetry-collectorSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High : upgrade Red Hat url to 1.25.6 or 1.24.12 soon.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 2.2% chance of exploitation in 30 days – higher than 83% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.25.6, 1.24.12
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade net/url to 1.25.6 or 1.24.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard librarynet/url | Affected
| Fixed in
|
| Go standard librarynet/url | Affected
| Fixed in
|
Gonet/urlpkg:golang/net/urlOther threats | Affected
| Fixed in– |
Gonet/urlpkg:golang/net/urlOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Collector with the supported components for a Red Hat build of OpenTelemetry Security Fix(es): * golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726) * crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:4174 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2434432 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2437111 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4174.json (opens in a new tab)