A flaw has been found in GPAC up to f1219cde. Affected by this vulnerability is the function gf_node_get_field_count of the file scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack on the local host. The exploit has been published and may be used. Upgrading to version abi-16.23 addresses this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.
CVE-2026-90684
LOWPre-NVD 2.82.8—Trending — 5 sources updated this weekElevated
EchelonGraph scoreHIGH confidence
Score 2.8 from GitHub Security Advisory (severity: LOW) published 2026-09-14. a secondary CVSS source baseline 2.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
2.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.8Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 2.8
- EG Score
- 2.8(high)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
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 computedSeverity28% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 1%
- KEV
- Not listed
Published
September 14, 2026
Last Modified
September 14, 2026
References (9)
- cna@vuldbhttps://github.com/gpac/gpac/
- cna@vuldbhttps://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
- cna@vuldbhttps://github.com/gpac/gpac/issues/3824
- cna@vuldbhttps://github.com/gpac/gpac/releases/tag/abi-16.23
- cna@vuldbhttps://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(node).md
- cna@vuldbhttps://vuldb.com/cve/CVE-2026-90684
- cna@vuldbhttps://vuldb.com/submit/914026
- cna@vuldbhttps://vuldb.com/vuln/403217
- cna@vuldbhttps://vuldb.com/vuln/403217/cti
Vendor Advisories for CVE-2026-90684(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 19× in last 7d / 19× 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.
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 03:16 UTCEG score recompute
- 2026-09-18 03:16 UTCGHSA enrichment
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-16 14:09 UTCEPSS rescore
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-14 21:05 UTCEG score recompute
- 2026-09-14 21:05 UTCGHSA enrichment
- 2026-09-14 16:24 UTCEG score recompute
- 2026-09-14 16:24 UTCGHSA enrichment
- 2026-09-14 16:23 UTCNVD updateCVSS v4 → 0.9
- 2026-09-14 15:55 UTCEG score recompute
- 2026-09-14 15:55 UTCGHSA enrichment
- 2026-09-14 15:54 UTCMITRE cvelistV5CVSS v4 → 2.4
- 2026-09-14 05:19 UTCEG score recompute
- 2026-09-14 05:19 UTCNVD updateCVSS v4 → 0.9
- 2026-09-14 05:15 UTCEG score recompute
- 2026-09-14 05:14 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-90684?
CVE-2026-90684 is a low vulnerability published on September 14, 2026. A flaw has been found in GPAC up to f1219cde. Affected by this vulnerability is the function gfnodegetfieldcount of the file scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack on the local host. The…
When was CVE-2026-90684 disclosed?
CVE-2026-90684 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-2026-90684 actively exploited?
CVE-2026-90684 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
What is the CVSS score of CVE-2026-90684?
CVE-2026-90684 has a CVSS v3 base score of 2.8 (NVD).
How do I remediate CVE-2026-90684?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90684, 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
Explore the affected products and dependency analysis for CVE-2026-90684
Is Your Infrastructure Affected by CVE-2026-90684?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.