CVE-2026-93534

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreMEDIUM confidence

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

Score 6.3 from GitHub Security Advisory (severity: MODERATE) published 2026-09-18. A secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Elevated

Also known asEUVD-2026-83165 (ENISA EUVD) · GHSA-m88j-9w7j-676j (GitHub Security Advisories)Source: ENISA EUVD

6.3EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 6.3Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

A vulnerability was identified in spatie Scotty up to 1.4.2. Affected is the function SelfUpdater::update of the file app/Updater/SelfUpdater.php of the component Self Update Handler. Such manipulation leads to download of code without integrity check. It is possible to launch the attack remotely. Upgrading to version 1.4.3 is able to address this issue. The name of the patch is 4b4e11bfc98e3a2159bb2b3d9b040293fcc44744. It is advisable to upgrade the affected component.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
59
EG Risk 59/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity63% × 45%
Impact severity (EG Severity): CVSS 6.3 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
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 public PoC (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: 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
0.2%
EPSS %ILE
11th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (6.3): severity, escalated by confirmed exploitation. This CVE's 6.3 is its impact severity (EG Severity), not escalated.

EG Severity
6.3 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-07). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; 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 public PoC (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

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (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

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (4)

Auto-updated Sep 18, 2026
Patch available. Sources: github_commit, github_release.
Web page

GitHub - spatie/scotty: A beautiful SSH task runner · GitHub

https://github.com/spatie/scotty/
GitHub release Patch Available

1.4.3

Patch available: spatie/scotty 1.4.3

https://github.com/spatie/scotty/releases/tag/1.4.3
GitHub commit Patch Available

commit 4b4e11bfc98e (spatie/scotty)

Patch available: spatie/scotty 1.4.3 (contains commit 4b4e11bfc98e)

https://github.com/spatie/scotty/commit/4b4e11bfc98e3a2159bb2b3d9b040293fcc44744
Web page

self-update replaces phar without integrity/signature verification (CWE-494) · Issue #21 · spatie/scotty · GitHub

https://github.com/spatie/scotty/issues/21

Vendor Advisories for CVE-2026-93534(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 8× in last 7d / 33× 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 its CVE.org record (CNA or CISA ADP). 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). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 109 rows on record for this CVE, as 99 entries (1 repeat merged).

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 9 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 16:58 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  2. 2026-11-12 16:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  3. 2026-11-11 16:41 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  4. 2026-11-10 16:46 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  5. 2026-11-09 16:36 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  6. 2026-11-08 16:41 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  7. 2026-11-07 19:07 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub severity MODERATE · GitHub CVSS 6.3
  8. 2026-11-07 19:07 UTCEchelonGraph re-scored
  9. 2026-11-07 16:40 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  10. 2026-11-06 16:40 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  11. 2026-11-05 16:39 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  12. 2026-11-04 16:37 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  13. 2026-11-03 16:49 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  14. 2026-11-02 16:46 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  15. 2026-11-01 16:36 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  16. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  17. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  18. 2026-10-29 16:34 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  19. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  20. 2026-10-28 04:25 UTCOSV refresh
  21. 2026-10-27 16:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  22. 2026-10-26 16:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  23. 2026-10-25 16:34 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  24. 2026-10-25 13:49 UTCEchelonGraph re-scored
  25. 2026-10-24 16:34 UTCEPSS rescoreEPSS 0.2% · 11th percentile
Show 74 more
  1. 2026-10-23 16:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  2. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  3. 2026-10-21 16:34 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  4. 2026-10-20 16:34 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  5. 2026-10-19 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  6. 2026-10-18 18:35 UTCEchelonGraph re-scored
  7. 2026-10-18 18:34 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  8. 2026-10-18 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-10-18 02:59 UTCEchelonGraph re-scored
  10. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  11. 2026-10-16 16:45 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  12. 2026-10-15 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  13. 2026-10-14 16:34 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  14. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  15. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  16. 2026-10-12 14:43 UTCEchelonGraph re-scored
  17. 2026-10-11 19:51 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  18. 2026-10-11 19:12 UTCEchelonGraph re-scored
  19. 2026-10-11 16:28 UTCEchelonGraph re-scored
  20. 2026-10-11 13:50 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  21. 2026-10-11 13:42 UTCEchelonGraph re-scored
  22. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  23. 2026-10-10 19:59 UTCEchelonGraph re-scored
  24. 2026-10-10 19:59 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  25. 2026-10-09 20:08 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  26. 2026-10-09 20:06 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  27. 2026-10-08 20:14 UTCEchelonGraph re-scored
  28. 2026-10-08 20:14 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  29. 2026-10-08 17:14 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  30. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  31. 2026-10-07 18:31 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  32. 2026-10-06 18:39 UTCEchelonGraph re-scored
  33. 2026-10-06 18:39 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  34. 2026-10-06 15:19 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  35. 2026-10-05 18:47 UTCEchelonGraph re-scored
  36. 2026-10-05 18:47 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  37. 2026-10-05 17:44 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  38. 2026-10-04 23:23 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  39. 2026-10-04 18:51 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  40. 2026-10-03 18:48 UTCEchelonGraph re-scored
  41. 2026-10-03 18:48 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  42. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  43. 2026-10-02 18:46 UTCEchelonGraph re-scored
  44. 2026-10-02 18:45 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  45. 2026-10-01 19:51 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  46. 2026-10-01 18:50 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  47. 2026-09-30 18:50 UTCEchelonGraph re-scored
  48. 2026-09-30 18:50 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  49. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  50. 2026-09-29 18:52 UTCEchelonGraph re-scored
  51. 2026-09-29 18:52 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  52. 2026-09-28 18:54 UTCEchelonGraph re-scored
  53. 2026-09-28 18:54 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  54. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  55. 2026-09-27 19:02 UTCEchelonGraph re-scored
  56. 2026-09-27 19:02 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  57. 2026-09-27 13:49 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  58. 2026-09-26 19:10 UTCEchelonGraph re-scored
  59. 2026-09-26 19:10 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  60. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  61. 2026-09-25 19:18 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  62. 2026-09-24 19:01 UTCEchelonGraph re-scored
  63. 2026-09-24 19:01 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  64. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  65. 2026-09-23 19:09 UTCEchelonGraph re-scored
  66. 2026-09-23 19:09 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  67. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  68. 2026-09-22 18:53 UTCEchelonGraph re-scored
  69. 2026-09-22 18:53 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  70. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  71. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  72. 2026-09-21 19:02 UTCEchelonGraph re-scored
  73. 2026-09-21 19:02 UTCGHSA enrichmentGHSA-m88j-9w7j-676j · GitHub CVSS 6.3
  74. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 10th percentile

Frequently asked(5)

What is CVE-2026-93534?
CVE-2026-93534 is a medium-severity vulnerability; its CVE record was published on September 18, 2026. A vulnerability was identified in spatie Scotty up to 1.4.2. Affected is the function SelfUpdater::update of the file app/Updater/SelfUpdater.php of the component Self Update Handler. Such manipulation leads to download of code without integrity check. It is possible to launch the attack remotely.…
When was the CVE record for CVE-2026-93534 published?
The CVE record for CVE-2026-93534 was published on September 18, 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 September 18, 2026; the record at its source may have been updated since.
Is CVE-2026-93534 actively exploited?
CVE-2026-93534 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (11th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-93534?
CVE-2026-93534 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-93534?
A fix for CVE-2026-93534 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-93534 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-93534

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