CVE-2026-90687

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-09-14. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in GPAC up to f1219cde. This vulnerability affects the function gf_node_changed_internal of the file scenegraph/base_scenegraph.c of the component MP4Box. This manipulation causes use after free. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is able to resolve this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
59(Attend)
EG Risk 59/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 15, 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 9eb40df4448b (gpac/gpac)

Fix landed in gpac/gpac commit 9eb40df4448b — awaiting tagged release

https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24
generic

CVE_submit/gpac_3800.md at main · Ech06/CVE_submit · GitHub

https://github.com/Ech06/CVE_submit/blob/main/gpac_3800.md
generic

heap-use-after-free in `gf_node_changed_internal` during scenegraph teardown of a malformed scene · Issue #3800 · gpac/gpac · GitHub

https://github.com/gpac/gpac/issues/3800

Vendor Advisories for CVE-2026-90687(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 27× in last 7d / 27× 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. 2026-09-20 09:51 UTCEG score recompute
  2. 2026-09-20 09:51 UTCGHSA enrichment
  3. 2026-09-19 10:52 UTCEG score recompute
  4. 2026-09-19 10:52 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 11:55 UTCEG score recompute
  7. 2026-09-18 11:55 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 12:57 UTCEG score recompute
  10. 2026-09-17 12:57 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 13:49 UTCEG score recompute
  13. 2026-09-16 13:49 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 14:35 UTCEG score recompute
  16. 2026-09-15 14:35 UTCGHSA enrichment
  17. 2026-09-15 14:31 UTCNVD updateCVSS v4 → 2.1
  18. 2026-09-15 14:03 UTCEG score recompute
  19. 2026-09-15 14:03 UTCGHSA enrichment
  20. 2026-09-15 14:02 UTCMITRE cvelistV5CVSS v4 → 5.3
  21. 2026-09-15 03:12 UTCEPSS rescore
  22. 2026-09-14 21:05 UTCEG score recompute
  23. 2026-09-14 21:05 UTCGHSA enrichment
  24. 2026-09-14 06:20 UTCEG score recompute
  25. 2026-09-14 06:20 UTCNVD updateCVSS v4 → 2.1
Show 2 more
  1. 2026-09-14 05:55 UTCEG score recompute
  2. 2026-09-14 05:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90687?
CVE-2026-90687 is a medium vulnerability published on September 14, 2026. A vulnerability was determined in GPAC up to f1219cde. This vulnerability affects the function gfnodechangedinternal of the file scenegraph/basescenegraph.c of the component MP4Box. This manipulation causes use after free. It is possible to initiate the attack remotely. The exploit has been…
When was CVE-2026-90687 disclosed?
CVE-2026-90687 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90687 actively exploited?
CVE-2026-90687 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 77.9% of all scored CVEs.
What is the CVSS score of CVE-2026-90687?
CVE-2026-90687 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-90687?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90687, 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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