CVE-2026-102249

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-09-29. A secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.3Exploit: Elevated riskExposed services: Not assessed

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

A security flaw has been discovered in REBUILD up to 4.4.11. This vulnerability affects unknown code of the file /commons/file-editor-save. The manipulation of the argument url/fileKey results in missing authorization. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.3
EG Score
7.3HIGHhigh confidence
EG Risk
64
EG Risk 64/100CISA 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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
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
0.3%
EPSS %ILE
18th
KEV
Not listed

CISA SSVCTrack 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 public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). 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

September 29, 2026

Last Modified

October 1, 2026

Advisory Details (1)

Auto-updated Sep 29, 2026
No patch confirmed yet.
generic

REBUILD /commons/file-editor-save Unauthenticated SSRF and Arbitrary File Write · Issue #26 · ASantsSec/CVE · GitHub

https://github.com/ASantsSec/CVE/issues/26

Vendor Advisories for CVE-2026-102249(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 30× in last 7d / 30× 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.

  1. 2026-10-04 12:33 UTCGHSA enrichment
  2. 2026-10-04 01:15 UTCEG score recompute
  3. 2026-10-04 01:15 UTCGHSA enrichment
  4. 2026-10-03 14:25 UTCEPSS rescore
  5. 2026-10-03 13:56 UTCGHSA enrichment
  6. 2026-10-03 02:36 UTCEG score recompute
  7. 2026-10-03 02:36 UTCGHSA enrichment
  8. 2026-10-02 15:17 UTCGHSA enrichment
  9. 2026-10-02 03:58 UTCEG score recompute
  10. 2026-10-02 03:58 UTCGHSA enrichment
  11. 2026-10-01 19:49 UTCEPSS rescore
  12. 2026-10-01 16:39 UTCEG score recompute
  13. 2026-10-01 16:39 UTCGHSA enrichment
  14. 2026-10-01 16:24 UTCNVD updateCVSS v4 → 5.5
  15. 2026-10-01 15:51 UTCEG score recompute
  16. 2026-10-01 15:51 UTCGHSA enrichment
  17. 2026-10-01 15:50 UTCMITRE cvelistV5CVSS v4 → 6.9
  18. 2026-10-01 04:59 UTCGHSA enrichment
  19. 2026-09-30 17:41 UTCEG score recompute
  20. 2026-09-30 17:41 UTCGHSA enrichment
  21. 2026-09-30 15:02 UTCEPSS rescore
  22. 2026-09-30 06:23 UTCGHSA enrichment
  23. 2026-09-29 19:05 UTCGHSA enrichment
  24. 2026-09-29 15:50 UTCEG score recompute
  25. 2026-09-29 15:50 UTCGHSA enrichment
Show 5 more
  1. 2026-09-29 15:20 UTCEPSS rescore
  2. 2026-09-29 04:31 UTCEG score recompute
  3. 2026-09-29 04:30 UTCNVD updateCVSS v4 → 5.5
  4. 2026-09-29 03:58 UTCEG score recompute
  5. 2026-09-29 03:55 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-102249?
CVE-2026-102249 is a high vulnerability published on September 29, 2026. A security flaw has been discovered in REBUILD up to 4.4.11. This vulnerability affects unknown code of the file /commons/file-editor-save. The manipulation of the argument url/fileKey results in missing authorization. It is possible to launch the attack remotely. The exploit has been released to…
When was CVE-2026-102249 disclosed?
CVE-2026-102249 was first published on September 29, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-102249 actively exploited?
CVE-2026-102249 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (18th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-102249?
CVE-2026-102249 has a CVSS base score of 7.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-102249?
No fix for CVE-2026-102249 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-2026-102249 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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