CVE-2026-78203

HighCVSS 7.1/10Last modified Oct 12, 2026

Description

Ghostwriter before 7.1.2 fails to validate template ownership in the report template swap endpoint, allowing attackers to attach client-scoped templates from other clients to their own reports. Attackers can exploit sequential template primary keys to enumerate and attach foreign templates, then generate reports to disclose template contents including letterhead, boilerplate, and methodology text.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 24, 2026
Last modified
Oct 12, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-782045.4Ghostwriter through 7.2.6 does not apply per-object authorization on its report template lint endpoints. RoleBasedAccessControlMixin.test_fuCVE-2026-782055.8BentoML's outbound connection safeguard (make_safe_connect in _internal/utils/uri.py) blocks private, loopback, and link-local IP addresses CVE-2026-782067.5exceljs through 4.4.0 decompresses all entries from supplied xlsx archives into memory without limits on entry size, total size, or compressCVE-2026-782079.4exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject __proto__, constructor, or pCVE-2026-782087.5exceljs through 4.4.0 contains a path traversal vulnerability in the Workbook.addImage() function that fails to validate file paths. AttackeCVE-2026-782098.2exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in cell values written to CSV output. Attackers who can iCVE-2026-78219.1Improper certificate validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to CVE-2026-782107.1In affected versions of Octopus Server, users with certain scoped permission sets could execute arbitrary scripts in an environment without CVE-2026-782119.84MOSAn GCB Doctor developed by 4MOSAn Security Technology has a OS Command Injection vulnerability. Unauthenticated remote attackers can injCVE-2026-782127.54MOSAn developed by 4MOSAn Security Technology Co., Ltd. has an Arbitrary File Read vulnerability. Unauthenticated remote attackers can explCVE-2026-782138.7Heptabase developed by Hepta Platforms, Inc. has a Stored Cross-Site Scripting vulnerability. Authenticated remote attackers can inject persCVE-2026-782145.3An authentication bypass vulnerability exists in the protection of Actuator endpoints. The application determines whether authentication is
CVE-2026-78203: High severity, CVSS 7.1 | Vulnix