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Response snapshot Oct 27, 2026, 17:26 UTC

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VulnerabilityCVE-2018-1000226

Cobbler Improper Validation of Security Tokens

Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.

At a glance

Exploited
Not known
Severity
9.8 Critical (CVSS 3.0)
Chance of exploitation
Not estimated
Sources
1 source

What to do

GitHub lists first patched versions: cobbler: 3.0.0. Confirm the affected range and upgrade guidance in the exact advisory.

Read GitHub-reviewed advisory GHSA-f88q-22g8-frcg (opens a new tab)

What happened

Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.0+ or possibly even older versions may be vulnerable contains a Incorrect Access Control vulnerability in XMLRPC API (/cobbler_api) that can result in Privilege escalation, data manipulation or exfiltration, LDAP credential harvesting. This attack appear to be exploitable via "network connectivity".

Taking advantage of improper validation of security tokens in API endpoints. Please note this is a different issue than CVE-2018-10931.

Affected package ranges reported by GitHub: cobbler: <= 2.6.11

Scores and how they were measured

CVSS base severity

9.8

Version 3.0As of

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    GitHub-reviewed advisory GHSA-f88q-22g8-frcg (opens a new tab)

    The public advisory supplies the description, affected package/version ranges, and any listed CVSS metric. GitHub review is not local review.

    Published Checked

  2. Primary source

    GitHub public advisory API page (opens a new tab)

    The API page supplied GHSA-f88q-22g8-frcg, its actual identifiers, source dates, and structured metrics.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 27). Cobbler Improper Validation of Security Tokens (CVE-2018-1000226). https://kevwire.com/record/CVE-2018-1000226

MLA

"Cobbler Improper Validation of Security Tokens (CVE-2018-1000226)." KEVWire, 27 Oct. 2026, kevwire.com/record/CVE-2018-1000226.

Chicago

KEVWire. "Cobbler Improper Validation of Security Tokens (CVE-2018-1000226)." Last modified October 27, 2026. https://kevwire.com/record/CVE-2018-1000226.

Evidence summary (plain text)

Cobbler Improper Validation of Security Tokens (May 13, 2022).
Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.0+ or possibly even older versions may be vulnerable contains a Incorrect Access Control vulnerability in XMLRPC API (/cobbler_api) that can result in Privilege escalation, data manipulation or exfiltration, LDAP credential harvesting. This attack appear to be exploitable via "network connectivity". Taking advantage of improper validation of security tokens in API endpoints. Please note this is a different issue than CVE-2018-10931.
CVSS 9.8 (version 3.0; evidence as of Oct 27, 2026; https://github.com/advisories/GHSA-f88q-22g8-frcg).
Sources:
GitHub-reviewed advisory GHSA-f88q-22g8-frcg: https://github.com/advisories/GHSA-f88q-22g8-frcg
GitHub public advisory API page: https://api.github.com/advisories?type=reviewed&per_page=100&sort=updated&direction=desc
Record ID: CVE-2018-1000226.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 17:25 UTC. Ingestion is not an independent editorial investigation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

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