Description
CallBackery versions before 0.62.0 for Perl accept unintended values in form fields checked by createRxValidator.

createRxValidator() is documented to anchor the supplied pattern at both ends, but builds /^${rx}$/ without grouping the pattern. An alternation such as yes|no then accepts any value starting with yes or ending with no, and $ also accepts a value with one trailing newline.

An authenticated user can submit values the pattern was meant to reject, which an application may then write into generated configuration files.
Published: 2026-10-30
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

Vendor Solution

Upgrade to CallBackery 0.62.0 or later.

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History

Fri, 30 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
Description CallBackery versions before 0.62.0 for Perl accept unintended values in form fields checked by createRxValidator. createRxValidator() is documented to anchor the supplied pattern at both ends, but builds /^${rx}$/ without grouping the pattern. An alternation such as yes|no then accepts any value starting with yes or ending with no, and $ also accepts a value with one trailing newline. An authenticated user can submit values the pattern was meant to reject, which an application may then write into generated configuration files.
Title CallBackery versions before 0.62.0 for Perl accept unintended values in form fields checked by createRxValidator
Weaknesses CWE-625
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: CPANSec

Published:

Updated: 2026-10-30T13:10:38.972Z

Reserved: 2026-10-29T10:58:47.286Z

Link: CVE-2026-118995

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-30T13:18:32.320

Modified: 2026-10-30T17:08:54.633

Link: CVE-2026-118995

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T14:30:08Z

Weaknesses