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CVE-2026-44740VulnerabilityPublished

Red Hat Security Advisory: Red Hat Web Terminal Operator 1.17.2 release

Affects Red HatSource 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 3 Nov 2026, 04:44 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 2 Nov 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 recommends upgrading to go-billy library versions 5.9.0 or later, or 6.0.0-alpha.1 or later, which contain the fix for this vulnerability. Additionally, installing Red Hat Web Terminal Operator 1.17.2 on OpenShift Container Platform 4.22 or higher ensures the use of fixed components. No other mitigations are specified by Red Hat.

Description

CVE-2026-44740 is a denial of service vulnerability in the go-billy library, a Go filesystem abstraction used by Red Hat Web Terminal Operator. The flaw arises from insufficient validation and missing safety mechanisms when processing crafted or malformed input, such as untrusted repository data or filesystem structures. This can cause panics, infinite loops, uncontrolled recursion, or excessive resource consumption, impacting availability. Red Hat Web Terminal Operator 1.17.2 addresses this issue by recommending use on OpenShift Container Platform 4.22 or higher and upgrading the go-billy library to fixed versions.

References

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