CVE-2026-72688

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-10. 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 mitigationRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.5Exploit: None knownExposed services: Not assessed

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

A missing authentication vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read arbitrary stored documents via the fileupload Parse cloud function. The function mints MASTER_KEY-signed file access tokens for any caller-supplied URL without performing any session check, defeating the only access control protecting stored contract files.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
49
EG Risk 49/100

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)
Severity75% × 45%
The EG Score, 7.5 of 10.
Exploitation1% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable yes (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: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.6%
EPSS %ILE
47th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable yes (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

Published

August 10, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 10, 2026
No fix on record yet.
generic

GitHub - OpenSignLabs/OpenSign: 🔥 The free & Open Source DocuSign alternative · GitHub

https://github.com/OpenSignLabs/OpenSign

Vendor Advisories for CVE-2026-72688(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 12× in last 7d / 76× 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 100 of 196 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. None are among the latest 100 rows. The 96 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  2. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  3. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  4. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  5. 2026-10-06 18:40 UTCEG score recompute
  6. 2026-10-06 18:40 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  7. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  8. 2026-10-05 18:29 UTCEG score recompute
  9. 2026-10-05 18:29 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  10. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  11. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  12. 2026-10-04 22:52 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  13. 2026-10-04 05:26 UTCEG score recompute
  14. 2026-10-04 05:26 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  15. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  16. 2026-10-03 00:56 UTCEG score recompute
  17. 2026-10-03 00:56 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  18. 2026-10-02 09:23 UTCEG score recompute
  19. 2026-10-02 09:23 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  20. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  21. 2026-10-01 11:13 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  22. 2026-09-30 22:43 UTCEG score recompute
  23. 2026-09-30 22:42 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  24. 2026-09-29 05:25 UTCEG score recompute
  25. 2026-09-29 05:25 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
Show 75 more
  1. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  2. 2026-09-28 05:20 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  3. 2026-09-27 16:58 UTCEG score recompute
  4. 2026-09-27 16:58 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  5. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  6. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  7. 2026-09-25 04:05 UTCEG score recompute
  8. 2026-09-25 04:05 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  9. 2026-09-24 02:06 UTCEG score recompute
  10. 2026-09-24 02:06 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  11. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  12. 2026-09-23 13:44 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  13. 2026-09-23 00:08 UTCEG score recompute
  14. 2026-09-23 00:07 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  15. 2026-09-22 11:44 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  16. 2026-09-21 23:15 UTCEG score recompute
  17. 2026-09-21 23:15 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  18. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  19. 2026-09-21 02:11 UTCEG score recompute
  20. 2026-09-21 02:11 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  21. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  22. 2026-09-20 10:50 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  23. 2026-09-19 20:04 UTCEG score recompute
  24. 2026-09-19 20:04 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  25. 2026-09-19 06:24 UTCEG score recompute
  26. 2026-09-19 06:24 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  27. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  28. 2026-09-18 17:20 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  29. 2026-09-18 03:26 UTCEG score recompute
  30. 2026-09-18 03:26 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  31. 2026-09-17 15:03 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  32. 2026-09-17 00:49 UTCEG score recompute
  33. 2026-09-17 00:49 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  34. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  35. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  36. 2026-09-16 02:38 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  37. 2026-09-15 14:02 UTCEG score recompute
  38. 2026-09-15 14:02 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  39. 2026-09-15 03:12 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  40. 2026-09-15 00:43 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  41. 2026-09-14 10:16 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  42. 2026-09-13 21:54 UTCEG score recompute
  43. 2026-09-13 21:54 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  44. 2026-09-13 09:31 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  45. 2026-09-12 21:08 UTCEG score recompute
  46. 2026-09-12 21:08 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  47. 2026-09-12 15:02 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  48. 2026-09-12 08:45 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  49. 2026-09-11 20:22 UTCEG score recompute
  50. 2026-09-11 20:22 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  51. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  52. 2026-09-11 07:56 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  53. 2026-09-10 19:33 UTCEG score recompute
  54. 2026-09-10 19:33 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  55. 2026-09-10 09:35 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  56. 2026-09-10 06:56 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  57. 2026-09-09 18:33 UTCEG score recompute
  58. 2026-09-09 18:33 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  59. 2026-09-09 05:54 UTCEG score recompute
  60. 2026-09-09 05:54 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  61. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  62. 2026-09-08 07:24 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  63. 2026-09-07 17:27 UTCEG score recompute
  64. 2026-09-07 17:27 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  65. 2026-09-06 16:31 UTCEG score recompute
  66. 2026-09-06 16:31 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  67. 2026-09-06 13:48 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  68. 2026-09-06 04:08 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  69. 2026-09-05 15:46 UTCEG score recompute
  70. 2026-09-05 15:45 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  71. 2026-09-05 02:09 UTCEG score recompute
  72. 2026-09-05 02:09 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  73. 2026-09-04 08:27 UTCEG score recompute
  74. 2026-09-04 08:27 UTCGHSA enrichmentGHSA-jppp-j33j-6m5q · GitHub severity HIGH · GitHub CVSS 7.5
  75. 2026-09-04 05:07 UTCEPSS rescoreEPSS 0.5% · 40th percentile

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-72688?
CVE-2026-72688 is a high vulnerability published on August 10, 2026. A missing authentication vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to read arbitrary stored documents via the fileupload Parse cloud function. The function mints MASTER_KEY-signed file access tokens for any caller-supplied URL without…
When was the CVE record for CVE-2026-72688 published?
The CVE record for CVE-2026-72688 was published on August 10, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. 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-2026-72688 actively exploited?
CVE-2026-72688 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (47th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-72688?
CVE-2026-72688 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-2026-72688?
No fix for CVE-2026-72688 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-72688 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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