CVE-2026-90578

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-09-13. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 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: 0%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 flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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 computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

September 13, 2026

Last Modified

September 15, 2026

Advisory Details (4)

Auto-updated Sep 13, 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 49dee5cad329 (gpac/gpac)

Fix landed in gpac/gpac commit 49dee5cad329 — awaiting tagged release

https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
generic

cve_summit/Vuln-GPAC-MP4Box-SEGV-in-gf_list_count-(Use-After-Free).md at main · r1ck9-2q/cve_summit · GitHub

https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-SEGV-in-gf_list_count-(Use-After-Free).md
generic

SEGV in `gf_list_count` via `Face_Del` during `-nstatx` node teardown · Issue #3817 · gpac/gpac · GitHub

https://github.com/gpac/gpac/issues/3817

Vendor Advisories for CVE-2026-90578(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 10:27 UTCEG score recompute
  2. 2026-09-20 10:27 UTCGHSA enrichment
  3. 2026-09-19 12:21 UTCEG score recompute
  4. 2026-09-19 12:21 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 14:16 UTCEG score recompute
  7. 2026-09-18 14:16 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 16:04 UTCGHSA enrichment
  10. 2026-09-16 17:58 UTCEG score recompute
  11. 2026-09-16 17:58 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 19:40 UTCEG score recompute
  15. 2026-09-15 19:40 UTCGHSA enrichment
  16. 2026-09-15 19:32 UTCNVD updateCVSS v4 → 1.9
  17. 2026-09-15 18:25 UTCEG score recompute
  18. 2026-09-15 18:25 UTCGHSA enrichment
  19. 2026-09-15 18:22 UTCMITRE cvelistV5CVSS v4 → 4.8
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 21:06 UTCGHSA enrichment
  22. 2026-09-14 18:09 UTCEG score recompute
  23. 2026-09-14 18:09 UTCGHSA enrichment
  24. 2026-09-13 19:24 UTCEG score recompute
  25. 2026-09-13 19:23 UTCNVD updateCVSS v4 → 1.9
Show 2 more
  1. 2026-09-13 18:54 UTCEG score recompute
  2. 2026-09-13 18:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90578?
CVE-2026-90578 is a medium vulnerability published on September 13, 2026. A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gflistcount of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used.…
When was CVE-2026-90578 disclosed?
CVE-2026-90578 was first published in the National Vulnerability Database on September 13, 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-2026-90578 actively exploited?
CVE-2026-90578 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 94.3% of all scored CVEs.
What is the CVSS score of CVE-2026-90578?
CVE-2026-90578 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-90578?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90578, 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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