WebDyne versions from 2.031 before 3.022 for Perl execute files with .psp anywhere in the name as Perl pages.
WebDyne decides whether to run a requested file as a page by matching its name against WEBDYNE_PSP_EXT_RE, which has no end anchor.
An application that accepts uploads by checking only the final extension lets a remote attacker upload a file such as report.psp.pdf and run its embedded Perl by requesting it.
WebDyne decides whether to run a requested file as a page by matching its name against WEBDYNE_PSP_EXT_RE, which has no end anchor.
An application that accepts uploads by checking only the final extension lets a remote attacker upload a file such as report.psp.pdf and run its embedded Perl by requesting it.
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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Project Subscriptions
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Advisories
No advisories yet.
Fixes
Solution
Upgrade to WebDyne 3.022 or later.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://metacpan.org/release/ASPEER/WebDyne-3.022/changes |
|
History
Sat, 31 Oct 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | WebDyne versions from 2.031 before 3.022 for Perl execute files with .psp anywhere in the name as Perl pages. WebDyne decides whether to run a requested file as a page by matching its name against WEBDYNE_PSP_EXT_RE, which has no end anchor. An application that accepts uploads by checking only the final extension lets a remote attacker upload a file such as report.psp.pdf and run its embedded Perl by requesting it. | |
| Title | WebDyne versions from 2.031 before 3.022 for Perl execute files with .psp anywhere in the name as Perl pages | |
| Weaknesses | CWE-777 | |
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-10-31T14:34:30.167Z
Reserved: 2026-08-23T18:38:50.604Z
Link: CVE-2026-78191
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-31T15:16:54.247
Modified: 2026-10-31T15:16:54.247
Link: CVE-2026-78191
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses