CVE-2026-90686

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-14. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A vulnerability was found in GPAC up to f1219cde. This affects the function gf_bt_report of the file scene_manager/loader_bt.c of the component MP4Box. The manipulation results in memory corruption. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version abi-16.23 is able to mitigate this issue. The patch is identified as afca1f1181668d85941d51ed1adf647807d5d975. It is suggested to upgrade the affected component.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
57%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (4)

Auto-updated Sep 14, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - gpac/gpac: GPAC Ultramedia OSS for Video Streaming & Next-Gen Multimedia Transcoding, Packaging & Delivery · GitHub

https://github.com/gpac/gpac/
github_commit

commit afca1f118166 (gpac/gpac)

Fix landed in gpac/gpac commit afca1f118166 — awaiting tagged release

https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
generic

CVE_submit/gpac_3798.md at main · Ech06/CVE_submit · GitHub

https://github.com/Ech06/CVE_submit/blob/main/gpac_3798.md
generic

SEGV (NULL deref) in `gf_bt_report` when parsing a malformed BT/BIFS scene · Issue #3798 · gpac/gpac · GitHub

https://github.com/gpac/gpac/issues/3798

Vendor Advisories for CVE-2026-90686(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 20× in last 7d / 42× 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. 2026-09-25 06:35 UTCEG score recompute
  2. 2026-09-25 06:35 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 08:12 UTCEG score recompute
  5. 2026-09-24 08:12 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 09:50 UTCEG score recompute
  8. 2026-09-23 09:50 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 11:28 UTCEG score recompute
  11. 2026-09-22 11:28 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 13:05 UTCEG score recompute
  14. 2026-09-21 13:05 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 14:42 UTCGHSA enrichment
  17. 2026-09-19 16:19 UTCEG score recompute
  18. 2026-09-19 16:19 UTCGHSA enrichment
  19. 2026-09-18 19:28 UTCEPSS rescore
  20. 2026-09-18 17:57 UTCGHSA enrichment
  21. 2026-09-17 19:34 UTCEG score recompute
  22. 2026-09-17 19:34 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-16 17:57 UTCEG score recompute
  25. 2026-09-16 17:57 UTCGHSA enrichment
Show 17 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 19:28 UTCEG score recompute
  4. 2026-09-15 19:28 UTCGHSA enrichment
  5. 2026-09-15 03:12 UTCEPSS rescore
  6. 2026-09-14 21:05 UTCEG score recompute
  7. 2026-09-14 21:05 UTCGHSA enrichment
  8. 2026-09-14 15:22 UTCEG score recompute
  9. 2026-09-14 15:22 UTCGHSA enrichment
  10. 2026-09-14 15:21 UTCNVD updateCVSS v4 → 5.5
  11. 2026-09-14 14:59 UTCEG score recompute
  12. 2026-09-14 14:59 UTCGHSA enrichment
  13. 2026-09-14 14:59 UTCMITRE cvelistV5CVSS v4 → 6.9
  14. 2026-09-14 06:20 UTCEG score recompute
  15. 2026-09-14 06:20 UTCNVD updateCVSS v4 → 5.5
  16. 2026-09-14 05:40 UTCEG score recompute
  17. 2026-09-14 05:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90686?
CVE-2026-90686 is a medium vulnerability published on September 14, 2026. A vulnerability was found in GPAC up to f1219cde. This affects the function gfbtreport of the file scenemanager/loaderbt.c of the component MP4Box. The manipulation results in memory corruption. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading…
When was CVE-2026-90686 disclosed?
CVE-2026-90686 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90686 actively exploited?
CVE-2026-90686 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 43.3% of all scored CVEs.
What is the CVSS score of CVE-2026-90686?
CVE-2026-90686 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-90686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90686, 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

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