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Vulnerabilities

Vulnerability · CVE-2026-77090

CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure.

Published Oct 13, 2026 · catalog updated Oct 14, 2026 · CVFS contained an XML

Check if you run it

No confirmed exploitation is on record for CVE-2026-77090. EPSS is 0.33%. Act only if a listed version of CVFS contained an XML is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (CVFS contained an XML).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Advisory link
Affected products
See sources for product scope

CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-77090

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-77090. EPSS is 0.33%. Act only if a listed version of CVFS contained an XML is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-611: XML External Entity (XXE). EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · NIST NVD

    Detected

    CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

  2. Oct 14, 2026 · NIST NVD

    Updated

    CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

  3. Oct 14, 2026 · NIST NVD

    Updated

    CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

Sources

  • CVE.orgVulnerability recordCVE-2026-77090

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-77090

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-77090

    CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.