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CVE-2026-44740VulnerabilityPublished Updated

Red Hat Security Advisory: grafana security, bug fix, and enhancement update

Affects Red Hat grafana security,Source GCVE Database

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Authoritative record:CVE-2026-44740· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium · fixed in Red Hat package updates : update Red Hat go-billy when convenient.

Data as of 30 Oct 2026, 00:31 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 6.0.0-alpha.1, 5.9.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 29 Oct 2026.

What to do

Upgrade go-billy to 6.0.0-alpha.1 or 5.9.0; github.com/go-git/go-billy to 5.9.0.

Affected software

ProductAffectedFixed in
go-gitgo-billyAffected
  • <6.0.0-alpha.1
Fixed in
  • 6.0.0-alpha.1
go-gitgo-billyAffected
  • <5.9.0
Fixed in
  • 5.9.0
Gogithub.com/go-git/go-billypkg:golang/github.com/go-git/go-billyOther threatsAffected
  • <5.9.0
  • =6.0.0-alpha.1
Fixed in
  • 5.9.0

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 an updated Grafana package for Red Hat Enterprise Linux 8 that fixes this vulnerability. Users should apply the update as described in the Red Hat advisory (RHSA-2026:46391) and the referenced article https://access.redhat.com/articles/11258 to remediate the issue. No additional mitigation steps are indicated by the vendor.

Description

A denial of service vulnerability (CVE-2026-44740) exists in the go-billy library used by Grafana due to insufficient input validation. This flaw could allow an attacker to cause a denial of service via crafted input. Red Hat has issued an important security update for Grafana in Red Hat Enterprise Linux 8 to address this issue. The update also includes bug fixes and enhancements unrelated to the security flaw.

References

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