CVE-2025-26240

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.

CVSS v3
8.4
EG Score
8.4(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: Track

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
Severity84% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
31.7%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

The pdfkit vulnerability (CVE-2025-26240) | Habuon’s Blog

https://habuon.github.io/2025/03/12/pdfkit-vulnerability-%28CVE-2025-26240%29.html
generic

The Python Pdfkit Library Vulnerability | CSIRT.SK

https://www.csirt.gov.sk/the-python-pdfkit-library-vulnerability.html

Vendor Advisories for CVE-2025-26240(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
pippdfkit—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
pdfkit0.2.3 ... 1.0.0 (9 versions)——

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 90× 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 113 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-26240?
CVE-2025-26240 is a high vulnerability published on June 17, 2026. In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.
When was CVE-2025-26240 disclosed?
CVE-2025-26240 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-26240 actively exploited?
CVE-2025-26240 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-26240?
CVE-2025-26240 has a CVSS v3.1 base score of 8.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-26240?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-26240, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-26240

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