CPANSA-CallBackery-2026-118995: CallBackery vulnerability
| Publisher | giterlizzi | Document category | csaf_security_advisory |
|---|---|---|---|
| Initial release date | 2026-10-30T00:00:00 | Engine | CSAF Perl Toolkit 0.26 |
| Current release date | 2026-10-30T00:00:00 | Build Date | |
| Current version | 1 | Status | final |
| CVSS v3.1 Base Score | Severity | ||
| Original language | Language | en | |
| Also referred to | |||
Vulnerability 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.
Vulnerabilities
CVE-2026-118995
Vulnerability DescriptionCallBackery 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.
| Weakness | CWE-625 : Permissive Regular Expression |
|---|
Product status
Known affected
| Product | Score | ||||
|---|---|---|---|---|---|
| CallBackery less than 0.62.0 |
|
Fixed
- CallBackery greater than or equal 0.62.0
giterlizzi
Namespace: https://github.com/giterlizzi/
gdt@cpan.org
References
- CPANSA-CallBackery-2026-118995 JSON self
https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-callbackery-2026-118995.json - https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes external
https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes - CVE-2026-118995 (NVD) external
https://nvd.nist.gov/vuln/detail/CVE-2026-118995
Revision history
| Version | Date of the revision | Summary of the revision |
|---|---|---|
| 1 | Fri Oct 30 00:00:00 2026 | First release |
Sharing rules
TLP:WHITE
For the TLP version see: https://www.first.org/tlp/