CVE-2026-53656

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreMEDIUM confidence

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

This medium-severity CVE scores 6.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1% (1st percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
6.3EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 6.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

FiftyOne is an open-source platform for refining high-quality datasets and visual AI models. Prior to 1.17.0, the FiftyOne App/API server in fiftyone/server/app.py and the /media route in fiftyone/server/routes/media.py unconditionally return Access-Control-Allow-Origin: *. Because the embedded server is local and unauthenticated, a malicious website visited by the user can read cross-origin responses. The /media endpoint accepts a filesystem path, allowing a drive-by page to read files accessible to the server process and exfiltrate them without additional clicks. The allowed_origins configuration and FIFTYONE_ALLOWED_ORIGINS environment variable now make cross-origin access explicit, while the default policy is same-origin. This issue is fixed in version 1.17.0.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
28
EG Risk 28/100

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)
Severity63% × 45%
The EG Score, 6.3 of 10.
Exploitation0.1% × 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
0.1%
EPSS %ILE
1st
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

July 15, 2026

Last Modified

October 12, 2026

Advisory Details (4)

Auto-updated Aug 21, 2026
Patch available. Sources: github, github_commit, github_release.
GitHub release Patch Available

v1.17.0

Patch available: voxel51/fiftyone v1.17.0

https://github.com/voxel51/fiftyone/releases/tag/v1.17.0
GitHub commit Patch Available

commit 7c5b92eec5c7 (voxel51/fiftyone)

Patch available: voxel51/fiftyone v1.17.0 (contains commit 7c5b92eec5c7)

https://github.com/voxel51/fiftyone/commit/7c5b92eec5c7c0210c0c8134351ced77d2800ae0
GitHub commit Patch Available

commit 6c4fa1b27bf5 (voxel51/fiftyone)

Patch available: voxel51/fiftyone v1.17.0 (contains commit 6c4fa1b27bf5)

https://github.com/voxel51/fiftyone/commit/6c4fa1b27bf53e4ba567742ffd20d033af7b9e64
GitHub advisoryMentions a patch (unverified)

FiftyOne App server uses wildcard CORS (Access-Control-Allow-Origin: *), enabling cross-origin reads of local server data · Advisory · voxel51/fiftyone · GitHub

https://github.com/voxel51/fiftyone/security/advisories/GHSA-q78p-hj9h-5466

Vendor Advisories for CVE-2026-53656(1)

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

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
fiftyone0.1.0 ... 1.9.0 (182 versions)
  • every version up to 1.17.0: fixed in 1.17.0
—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 30× 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.

  1. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  2. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  3. 2026-10-12 15:57 UTCEG score recompute
  4. 2026-10-11 19:40 UTCEG score recompute
  5. 2026-10-11 16:55 UTCEG score recompute
  6. 2026-10-11 14:18 UTCEG score recompute
  7. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  8. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  9. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  10. 2026-10-08 17:12 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  11. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  12. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  13. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  14. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  15. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  16. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  17. 2026-09-30 20:04 UTCEG score recompute
  18. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  19. 2026-09-28 08:40 UTCEG score recompute
  20. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  21. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  22. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  23. 2026-09-24 08:45 UTCEG score recompute
  24. 2026-09-23 17:54 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  25. 2026-09-23 03:14 UTCEG score recompute
Show 35 more
  1. 2026-09-20 20:16 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  2. 2026-09-18 19:28 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  3. 2026-09-18 04:42 UTCEG score recompute
  4. 2026-09-16 14:08 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  5. 2026-09-16 05:15 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  6. 2026-09-14 05:56 UTCEG score recompute
  7. 2026-09-13 16:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  8. 2026-09-13 07:11 UTCEG score recompute
  9. 2026-09-11 21:43 UTCEG score recompute
  10. 2026-09-11 14:53 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  11. 2026-09-10 09:35 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  12. 2026-09-08 22:01 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  13. 2026-09-08 00:40 UTCEG score recompute
  14. 2026-09-07 16:01 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  15. 2026-09-06 13:47 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  16. 2026-09-05 20:45 UTCEG score recompute
  17. 2026-09-04 05:06 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  18. 2026-09-01 13:54 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  19. 2026-08-30 03:44 UTCEG score recompute
  20. 2026-08-30 01:22 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  21. 2026-08-28 21:41 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  22. 2026-08-27 21:42 UTCEG score recompute
  23. 2026-08-27 14:25 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  24. 2026-08-26 22:57 UTCEG score recompute
  25. 2026-08-26 14:46 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  26. 2026-08-24 19:31 UTCEG score recompute
  27. 2026-08-23 20:15 UTCEG score recompute
  28. 2026-08-23 00:19 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  29. 2026-08-21 22:27 UTCEG score recompute
  30. 2026-08-21 21:53 UTCEG score recompute
  31. 2026-08-21 21:25 UTCEG score recompute
  32. 2026-07-31 06:54 UTCEG score recompute
  33. 2026-07-26 11:28 UTCEG score recompute
  34. 2026-07-23 03:19 UTCEG score recompute
  35. 2026-07-15 22:19 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-53656?
CVE-2026-53656 is a medium-severity vulnerability; its CVE record was published on July 15, 2026. FiftyOne is an open-source platform for refining high-quality datasets and visual AI models. Prior to 1.17.0, the FiftyOne App/API server in fiftyone/server/app.py and the /media route in fiftyone/server/routes/media.py unconditionally return Access-Control-Allow-Origin: *. Because the embedded…
When was the CVE record for CVE-2026-53656 published?
The CVE record for CVE-2026-53656 was published on July 15, 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 October 12, 2026; the record at its source may have been updated since.
Is CVE-2026-53656 actively exploited?
CVE-2026-53656 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-53656?
CVE-2026-53656 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-2026-53656?
A fix for CVE-2026-53656 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-53656 are linked in the Vendor Advisories panel on this page.

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