CVE-2026-78203

HIGHPre-NVD 7.17.1
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-24. A secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
7.1
EG Score
7.1HIGHmedium confidence
EG Risk
32
EG Risk 32/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed (value × EchelonGraph’s weight)
Severity71% × 45%
The EG Score, 7.1 of 10.
Exploitation0.4% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
28th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 24, 2026

Last Modified

August 26, 2026

Advisory Details (5)

Auto-updated Aug 24, 2026
Patch available. Sources: github_commit.
Web page

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

https://www.vulncheck.com/advisories/ghostwriter-before-cross-client-report-template-disclosure-via-unauthorized-template-swap
Web page

oss/Ghostwriter.md at main · geo-chen/oss · GitHub

https://github.com/geo-chen/oss/blob/main/Ghostwriter.md
Web page

Ghostwriter/ghostwriter/reporting/views.py at v7.1.1 · GhostManager/Ghostwriter · GitHub

https://github.com/GhostManager/Ghostwriter/blob/v7.1.1/ghostwriter/reporting/views.py#L275-L315
Web page

GitHub - GhostManager/Ghostwriter: The SpecterOps project management and reporting engine · GitHub

https://github.com/GhostManager/Ghostwriter
GitHub commit Patch Available

commit 5b2a4a297e44 (GhostManager/Ghostwriter)

Patch available: GhostManager/Ghostwriter v7.1.2 (contains commit 5b2a4a297e44)

https://github.com/GhostManager/Ghostwriter/commit/5b2a4a297e44c823c16f65b1ba101c742791cd0b

Vendor Advisories for CVE-2026-78203(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 105× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 99 of 185 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 100 is merged into the row it repeats. The 86 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-11 19:23 UTCEG score recompute
  2. 2026-10-11 16:38 UTCEG score recompute
  3. 2026-10-11 13:57 UTCEG score recompute
  4. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  5. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  6. 2026-10-10 13:18 UTCEG score recompute
  7. 2026-10-10 13:17 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  8. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  9. 2026-10-09 05:02 UTCEG score recompute
  10. 2026-10-09 05:02 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  11. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  12. 2026-10-08 04:21 UTCEG score recompute
  13. 2026-10-08 04:21 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  14. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  15. 2026-10-07 07:32 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  16. 2026-10-06 19:45 UTCEG score recompute
  17. 2026-10-06 19:45 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  18. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  19. 2026-10-06 07:47 UTCEG score recompute
  20. 2026-10-06 07:46 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  21. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  22. 2026-10-05 17:04 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  23. 2026-10-05 04:47 UTCEG score recompute
  24. 2026-10-05 04:47 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  25. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.4% · 28th percentile
Show 74 more
  1. 2026-10-04 16:13 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  2. 2026-10-04 04:22 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  3. 2026-10-03 16:34 UTCEG score recompute
  4. 2026-10-03 16:34 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  5. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  6. 2026-10-02 20:58 UTCEG score recompute
  7. 2026-10-02 20:58 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  8. 2026-10-02 09:10 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  9. 2026-10-01 21:10 UTCEG score recompute
  10. 2026-10-01 21:09 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  11. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  12. 2026-10-01 08:06 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  13. 2026-09-30 20:20 UTCEG score recompute
  14. 2026-09-30 20:20 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  15. 2026-09-30 07:20 UTCEG score recompute
  16. 2026-09-30 07:20 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  17. 2026-09-29 15:24 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  18. 2026-09-29 15:19 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  19. 2026-09-28 23:57 UTCEG score recompute
  20. 2026-09-28 23:57 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  21. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  22. 2026-09-28 12:08 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  23. 2026-09-28 00:21 UTCEG score recompute
  24. 2026-09-28 00:21 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  25. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  26. 2026-09-27 12:35 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  27. 2026-09-27 00:49 UTCEG score recompute
  28. 2026-09-27 00:49 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  29. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  30. 2026-09-26 00:28 UTCEPSS rescoreEPSS 0.4% · 28th percentile
  31. 2026-09-25 10:04 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  32. 2026-09-24 22:19 UTCEG score recompute
  33. 2026-09-24 22:19 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  34. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.4% · 27th percentile
  35. 2026-09-24 09:01 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  36. 2026-09-23 21:15 UTCEG score recompute
  37. 2026-09-23 21:15 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  38. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  39. 2026-09-23 09:30 UTCEG score recompute
  40. 2026-09-23 09:30 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  41. 2026-09-22 21:44 UTCEG score recompute
  42. 2026-09-22 21:44 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  43. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  44. 2026-09-22 09:58 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  45. 2026-09-21 22:13 UTCEG score recompute
  46. 2026-09-21 22:13 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  47. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  48. 2026-09-21 10:26 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  49. 2026-09-20 22:41 UTCEG score recompute
  50. 2026-09-20 22:41 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  51. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  52. 2026-09-20 10:55 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  53. 2026-09-19 23:09 UTCEG score recompute
  54. 2026-09-19 23:09 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  55. 2026-09-19 11:23 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  56. 2026-09-18 23:38 UTCEG score recompute
  57. 2026-09-18 23:38 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  58. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  59. 2026-09-18 11:52 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  60. 2026-09-18 00:06 UTCEG score recompute
  61. 2026-09-18 00:06 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  62. 2026-09-17 11:11 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  63. 2026-09-16 23:25 UTCEG score recompute
  64. 2026-09-16 23:25 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  65. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  66. 2026-09-16 11:39 UTCEG score recompute
  67. 2026-09-16 11:39 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  68. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  69. 2026-09-15 23:37 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  70. 2026-09-15 11:33 UTCEG score recompute
  71. 2026-09-15 11:33 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  72. 2026-09-15 03:12 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  73. 2026-09-14 23:45 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1
  74. 2026-09-14 11:41 UTCGHSA enrichmentGHSA-r3hm-6h2p-vf9v · GitHub severity HIGH · GitHub CVSS 7.1

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78203?
CVE-2026-78203 is a high-severity vulnerability; its CVE record was published on August 24, 2026. 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…
When was CVE-2026-78203 made public?
CVE-2026-78203 was made public on June 23, 2026: that is the date its CVE record's CNA, VulnCheck, gives for when the vulnerability was made public. The CVE record itself was published on August 24, 2026. EchelonGraph's copy of the record carries a last-modified date of August 26, 2026; the record at its source may have been updated since.
Is CVE-2026-78203 actively exploited?
CVE-2026-78203 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (28th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-78203?
CVE-2026-78203 has a CVSS base score of 7.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-78203?
A fix for CVE-2026-78203 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-78203 are linked in the Vendor Advisories panel on this page.

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