CVE-2026-74789

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-16. A secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Scriban before 7.0.0 (affected <= 6.6.0) applies its LoopLimit constraint only to script loop statements and not to expensive iteration performed inside built-in operators and functions. As a result, a single expression such as {{ 1..1000000 | array.size }} — or a memory-amplification expression such as {{ 'A' * 200000000 }} — can force large CPU or memory consumption even when LoopLimit is configured to a very small value, resulting in denial of service. Applications that render attacker-controlled templates and rely on LoopLimit for safe execution are affected.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
38
EG Risk 38/100CISA SSVC

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
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.6%
EPSS %ILE
46th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 16, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 16, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Scriban before 7.0.0 LoopLimit Bypass via Built-in Operations | Advisories | VulnCheck

https://www.vulncheck.com/advisories/scriban-before-looplimit-bypass-via-built-in-operations
github Patch Available🟡 PoC Available

Built-in operations bypass LoopLimit and delay cancellation, enabling denial-of-service · Advisory · scriban/scriban · GitHub

https://github.com/scriban/scriban/security/advisories/GHSA-c875-h985-hvrc

Vendor Advisories for CVE-2026-74789(1)

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

Affected Packages

(2 across 1 ecosystem)
NuGet(2)
PackageVulnerable rangeFix by version rangeDependents
scriban0.1.0 ... 6.6.0 (123 versions)
  • every version up to 7.0.0: fixed in 7.0.0
—
Scriban.Signed0.10.0 ... 6.6.0 (111 versions)
  • every version up to 7.0.0: fixed in 7.0.0
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 101× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 182 total refreshes for this CVE.

  1. 2026-10-05 11:59 UTCEG score recompute
  2. 2026-10-05 11:59 UTCGHSA enrichment
  3. 2026-10-04 23:22 UTCEPSS rescore
  4. 2026-10-04 21:52 UTCGHSA enrichment
  5. 2026-10-04 08:08 UTCGHSA enrichment
  6. 2026-10-03 19:25 UTCEG score recompute
  7. 2026-10-03 19:25 UTCGHSA enrichment
  8. 2026-10-03 14:26 UTCEPSS rescore
  9. 2026-10-02 16:18 UTCGHSA enrichment
  10. 2026-10-02 16:18 UTCGHSA enrichment
  11. 2026-10-02 03:46 UTCEG score recompute
  12. 2026-10-02 03:46 UTCGHSA enrichment
  13. 2026-10-01 19:50 UTCEPSS rescore
  14. 2026-10-01 13:58 UTCGHSA enrichment
  15. 2026-10-01 01:32 UTCEG score recompute
  16. 2026-10-01 01:32 UTCGHSA enrichment
  17. 2026-09-30 12:00 UTCEG score recompute
  18. 2026-09-30 12:00 UTCGHSA enrichment
  19. 2026-09-29 15:24 UTCEPSS rescore
  20. 2026-09-28 23:34 UTCEG score recompute
  21. 2026-09-28 23:34 UTCGHSA enrichment
  22. 2026-09-28 13:52 UTCEPSS rescore
  23. 2026-09-28 10:55 UTCGHSA enrichment
  24. 2026-09-27 22:28 UTCEG score recompute
  25. 2026-09-27 22:28 UTCGHSA enrichment
Show 75 more
  1. 2026-09-27 13:48 UTCEPSS rescore
  2. 2026-09-27 08:21 UTCEG score recompute
  3. 2026-09-27 08:21 UTCGHSA enrichment
  4. 2026-09-26 15:59 UTCEPSS rescore
  5. 2026-09-26 00:28 UTCEPSS rescore
  6. 2026-09-25 02:17 UTCEG score recompute
  7. 2026-09-25 02:17 UTCGHSA enrichment
  8. 2026-09-24 14:04 UTCEPSS rescore
  9. 2026-09-24 10:04 UTCGHSA enrichment
  10. 2026-09-23 21:37 UTCEG score recompute
  11. 2026-09-23 21:37 UTCGHSA enrichment
  12. 2026-09-23 17:54 UTCEPSS rescore
  13. 2026-09-23 09:11 UTCGHSA enrichment
  14. 2026-09-22 20:44 UTCEG score recompute
  15. 2026-09-22 20:44 UTCGHSA enrichment
  16. 2026-09-22 16:01 UTCEPSS rescore
  17. 2026-09-22 07:14 UTCEG score recompute
  18. 2026-09-22 07:14 UTCGHSA enrichment
  19. 2026-09-21 21:09 UTCEPSS rescore
  20. 2026-09-21 18:48 UTCGHSA enrichment
  21. 2026-09-21 06:12 UTCEG score recompute
  22. 2026-09-21 06:12 UTCGHSA enrichment
  23. 2026-09-20 20:16 UTCEPSS rescore
  24. 2026-09-20 17:03 UTCGHSA enrichment
  25. 2026-09-20 04:35 UTCGHSA enrichment
  26. 2026-09-19 16:08 UTCEG score recompute
  27. 2026-09-19 16:08 UTCGHSA enrichment
  28. 2026-09-19 03:02 UTCEG score recompute
  29. 2026-09-19 03:01 UTCGHSA enrichment
  30. 2026-09-18 19:28 UTCEPSS rescore
  31. 2026-09-18 14:33 UTCGHSA enrichment
  32. 2026-09-18 02:06 UTCEG score recompute
  33. 2026-09-18 02:06 UTCGHSA enrichment
  34. 2026-09-17 13:39 UTCGHSA enrichment
  35. 2026-09-17 01:11 UTCEG score recompute
  36. 2026-09-17 01:11 UTCGHSA enrichment
  37. 2026-09-16 14:08 UTCEPSS rescore
  38. 2026-09-16 12:44 UTCEG score recompute
  39. 2026-09-16 12:44 UTCGHSA enrichment
  40. 2026-09-16 05:15 UTCEPSS rescore
  41. 2026-09-16 00:18 UTCEG score recompute
  42. 2026-09-16 00:18 UTCGHSA enrichment
  43. 2026-09-15 11:48 UTCEG score recompute
  44. 2026-09-15 11:48 UTCGHSA enrichment
  45. 2026-09-15 03:12 UTCEPSS rescore
  46. 2026-09-14 22:15 UTCGHSA enrichment
  47. 2026-09-14 09:42 UTCGHSA enrichment
  48. 2026-09-13 21:13 UTCEG score recompute
  49. 2026-09-13 21:13 UTCGHSA enrichment
  50. 2026-09-13 08:46 UTCGHSA enrichment
  51. 2026-09-12 20:20 UTCEG score recompute
  52. 2026-09-12 20:20 UTCGHSA enrichment
  53. 2026-09-12 15:02 UTCEPSS rescore
  54. 2026-09-12 07:53 UTCGHSA enrichment
  55. 2026-09-11 19:13 UTCEG score recompute
  56. 2026-09-11 19:13 UTCGHSA enrichment
  57. 2026-09-11 14:53 UTCEPSS rescore
  58. 2026-09-11 06:38 UTCGHSA enrichment
  59. 2026-09-10 18:11 UTCEG score recompute
  60. 2026-09-10 18:11 UTCGHSA enrichment
  61. 2026-09-10 09:35 UTCEPSS rescore
  62. 2026-09-10 05:44 UTCGHSA enrichment
  63. 2026-09-09 17:17 UTCGHSA enrichment
  64. 2026-09-09 03:46 UTCEG score recompute
  65. 2026-09-09 03:46 UTCGHSA enrichment
  66. 2026-09-08 22:01 UTCEPSS rescore
  67. 2026-09-08 05:44 UTCGHSA enrichment
  68. 2026-09-07 17:13 UTCEG score recompute
  69. 2026-09-07 17:13 UTCGHSA enrichment
  70. 2026-09-07 04:47 UTCGHSA enrichment
  71. 2026-09-06 15:16 UTCEG score recompute
  72. 2026-09-06 15:16 UTCGHSA enrichment
  73. 2026-09-06 13:48 UTCEPSS rescore
  74. 2026-09-06 02:41 UTCEG score recompute
  75. 2026-09-06 02:40 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2026-74789?
CVE-2026-74789 is a high vulnerability published on August 16, 2026. Scriban before 7.0.0 (affected <= 6.6.0) applies its LoopLimit constraint only to script loop statements and not to expensive iteration performed inside built-in operators and functions. As a result, a single expression such as {{ 1..1000000 | array.size }} — or a memory-amplification expression…
When was CVE-2026-74789 disclosed?
CVE-2026-74789 was first published on August 16, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74789 actively exploited?
CVE-2026-74789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (46th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-74789?
CVE-2026-74789 has a CVSS base score of 7.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-74789?
A fix for CVE-2026-74789 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-74789 are linked in the Vendor Advisories panel on this page.

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