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CVE-2025-61726VulnerabilityPublished Updated

Red Hat Security Advisory: opentelemetry-collector security update

Affects Red Hat opentelemetry-collectorSource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2025-61726· High 7.5

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

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Go standard librarynet/urlAffected
  • >=1.25.0 <1.25.6
Fixed in
  • 1.25.6
Go standard librarynet/urlAffected
  • <1.24.12
Fixed in
  • 1.24.12
Gonet/urlpkg:golang/net/urlOther threatsAffected
  • =1.25.0
Fixed in–
Gonet/urlpkg:golang/net/urlOther threatsAffected
  • <1.24.12
  • >=1.25.0 <1.25.6
Fixed in
  • 1.24.12
  • 1.25.6

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

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