Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass the check because browsers normalize those characters before navigation. This vulnerability is fixed in 0.78.1.
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History
Wed, 24 Jun 2026 16:45:00 +0000
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Earendil-works
Earendil-works pi |
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Earendil-works
Earendil-works pi |
Wed, 24 Jun 2026 13:30:00 +0000
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ssvc
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Tue, 23 Jun 2026 19:45:00 +0000
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| Description | Pi is a minimal terminal coding harness. From 0.74.0 until 0.78.1, Pi HTML exports render session Markdown into a static HTML file. It did not consistently reject unsafe Markdown link and image URL schemes. In versions with scheme filtering, C0 control characters in the URL scheme could bypass the check because browsers normalize those characters before navigation. This vulnerability is fixed in 0.78.1. | |
| Title | Pi: Potential XSS in HTML session exports via Markdown URL sanitization bypass | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-06-23T19:26:35.875Z
Updated: 2026-06-24T13:09:14.395Z
Reserved: 2026-06-12T18:42:02.224Z
Link: CVE-2026-54326
Updated: 2026-06-24T13:09:10.311Z
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