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CVE-2026-39822VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat build of OpenTelemetry 3.10.2 release

Affects Red HatSource GCVE Database

0
Authoritative record:CVE-2026-39822· High 7.8

Not known to be exploited · CVSS 7.8 High · fixed in Red Hat package updates : patch Red Hat os soon.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.27.0-rc.2, 1.26.5, 1.25.12
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jul 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 os to 1.27.0-rc.2, 1.26.5 or 1.25.12.

Affected software

ProductAffectedFixed in
Go standard libraryosAffected
  • >=1.27.0-0 <1.27.0-rc.2
Fixed in
  • 1.27.0-rc.2
Go standard libraryosAffected
  • >=1.26.0-0 <1.26.5
Fixed in
  • 1.26.5
Go standard libraryosAffected
  • <1.25.12
Fixed in
  • 1.25.12
Goospkg:golang/osOther threatsAffected
  • <1.25.12
  • >=1.26.0-0 <1.26.5
  • >=1.27.0-0 <1.27.0-rc.2
Fixed in
  • 1.25.12
  • 1.26.5
  • 1.27.0-rc.2

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This release of the Red Hat build of OpenTelemetry provides new features, security improvements, and bug fixes. Breaking changes: * None Deprecations: * None Technology Preview features: * None Enhancements: * None Bug fixes: * None Known issues: * None

References

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