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CVE-2026-78203

Ghostwriter before 7.1.2 Cross-Client Report Template Disclosure via Unauthorized Template Swap

HIGH
7.1
CVSS Score
Published: August 24, 2026 at 12:30 AM UTC
Updated: October 12, 2026 at 04:10 PM UTC
1 product affected across 1 vendorGhostwriter

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ghostwriter· Ghostmanager
90%
0 ≤ v < 7.1.20
Vendor states this is fixed in 7.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Patch
Source: cverecord
https://github.com/GhostManager/Ghostwriter/commit/5b2a4a297e44c823c16f65b1ba101c742791cd0b
Product
Source: cverecord
https://github.com/GhostManager/Ghostwriter
Technical Description
Source: cverecord
https://github.com/GhostManager/Ghostwriter/blob/v7.1.1/ghostwriter/reporting/views.py#L275-L315
Third Party Advisory
Source: cverecord
https://github.com/geo-chen/oss/blob/main/Ghostwriter.md
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/ghostwriter-before-cross-client-report-template-disclosure-via-unauthorized-template-swap

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639

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