header(-attachment => $name) writes $name into the quoted filename parameter of Content-Disposition without escaping double quotes.
An application that passes request data as the attachment name can be made to send a second filename parameter, changing the name the response is saved under.
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| unaffected |
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Vendor Solution
Upgrade to CGI 5.00 or later.
Tracking
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Wed, 04 Nov 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | CGI versions before 5.00 for Perl allow Content-Disposition parameter injection via unescaped double quotes in the header attachment filename. header(-attachment => $name) writes $name into the quoted filename parameter of Content-Disposition without escaping double quotes. An application that passes request data as the attachment name can be made to send a second filename parameter, changing the name the response is saved under. | |
| Title | CGI versions before 5.00 for Perl allow Content-Disposition parameter injection via unescaped double quotes in the header attachment filename | |
| Weaknesses | CWE-116 | |
| References |
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-11-03T23:41:05.454Z
Reserved: 2026-11-02T17:45:23.639Z
Link: CVE-2026-120647
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-04T00:17:26.260
Modified: 2026-11-04T00:17:26.260
Link: CVE-2026-120647
Redhat
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OpenCVE Enrichment
Updated: 2026-11-04T08:15:10Z
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CWE-116
Improper Encoding or Escaping of Output