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Fri, 28 Aug 2026 21:30:00 +0000
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| Metrics |
ssvc
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Fri, 28 Aug 2026 16:45:00 +0000
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| First Time appeared |
Morgan
Morgan morgan |
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| Vendors & Products |
Morgan
Morgan morgan |
Fri, 28 Aug 2026 15:30:00 +0000
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| Description | morgan is an HTTP request logger middleware for Node.js. In versions prior to 1.12.0, the internal helper that escapes log token values did not neutralize the Unicode line separator characters U+0085 (Next Line), U+2028 (Line Separator), and U+2029 (Paragraph Separator). An unauthenticated remote client can place these characters in an attacker-controlled log token, for example a Basic auth username surfaced through the remote-user token, so that Unicode-aware downstream log processing splits a single request log into multiple logical records. This is a log forging issue (CWE-117) and an incomplete-fix follow-up to CVE-2026-5078, which only addressed ASCII control characters. The issue is fixed in morgan 1.12.0, which extends the escaping set to cover these Unicode line separators. Upgrade to morgan 1.12.0 to remediate. | |
| Title | morgan vulnerable to Log Forging via unescaped Unicode line separators | |
| Weaknesses | CWE-117 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: openjs
Published:
Updated: 2026-08-28T18:23:58.959Z
Reserved: 2026-07-13T15:00:54.278Z
Link: CVE-2026-15603
Updated: 2026-08-28T18:23:54.690Z
Status : Awaiting Analysis
Published: 2026-08-28T16:17:07.417
Modified: 2026-08-28T20:17:22.353
Link: CVE-2026-15603
No data.
OpenCVE Enrichment
Updated: 2026-08-28T17:00:13Z