CVE-2026-91826

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreHIGH confidence

Score 4.4 from GitHub Security Advisory published 2026-09-15. a secondary CVSS source baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: None knownExposed: 0

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

Stack-based buffer overflow vulnerability in Samsung Opensource rLottie allows attackers to overflow buffers, leading to memory corruption when rendering crafted vector animations.

This issue affects rLottie: 480a2ad0c5d2e45458c545b8213279e9e8b71e39.

CVSS v3
4.4
EG Score
4.4(high)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

vrle: bound the span count when converting a merged scanline

Fix merged in Samsung/rlottie PR #607 on 2026-09-11 — awaiting tagged release

https://github.com/Samsung/rlottie/pull/607

Vendor Advisories for CVE-2026-91826(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 16× in last 7d / 32× 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 06:41 UTCEG score recompute
  2. 2026-09-25 06:41 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 08:31 UTCGHSA enrichment
  5. 2026-09-23 10:22 UTCEG score recompute
  6. 2026-09-23 10:22 UTCGHSA enrichment
  7. 2026-09-22 16:01 UTCEPSS rescore
  8. 2026-09-22 12:13 UTCEG score recompute
  9. 2026-09-22 12:13 UTCGHSA enrichment
  10. 2026-09-21 21:09 UTCEPSS rescore
  11. 2026-09-21 14:01 UTCGHSA enrichment
  12. 2026-09-20 15:51 UTCGHSA enrichment
  13. 2026-09-19 17:42 UTCGHSA enrichment
  14. 2026-09-18 19:33 UTCEG score recompute
  15. 2026-09-18 19:33 UTCGHSA enrichment
  16. 2026-09-18 19:28 UTCEPSS rescore
  17. 2026-09-18 09:00 UTCEG score recompute
  18. 2026-09-18 09:00 UTCGHSA enrichment
  19. 2026-09-17 19:32 UTCEPSS rescore
  20. 2026-09-17 10:51 UTCEG score recompute
  21. 2026-09-17 10:51 UTCGHSA enrichment
  22. 2026-09-16 14:09 UTCEPSS rescore
  23. 2026-09-16 12:41 UTCEG score recompute
  24. 2026-09-16 12:41 UTCGHSA enrichment
  25. 2026-09-16 05:15 UTCEPSS rescore
Show 7 more
  1. 2026-09-15 14:32 UTCEG score recompute
  2. 2026-09-15 14:32 UTCGHSA enrichment
  3. 2026-09-15 13:43 UTCEG score recompute
  4. 2026-09-15 13:43 UTCGHSA enrichment
  5. 2026-09-15 09:27 UTCEG score recompute
  6. 2026-09-15 08:58 UTCEG score recompute
  7. 2026-09-15 08:57 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-91826?
CVE-2026-91826 is a medium vulnerability published on September 15, 2026. Stack-based buffer overflow vulnerability in Samsung Opensource rLottie allows attackers to overflow buffers, leading to memory corruption when rendering crafted vector animations. This issue affects rLottie: 480a2ad0c5d2e45458c545b8213279e9e8b71e39.
When was CVE-2026-91826 disclosed?
CVE-2026-91826 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91826 actively exploited?
CVE-2026-91826 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 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-91826?
CVE-2026-91826 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-91826?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91826, 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-2026-91826

Explore →

Is Your Infrastructure Affected by CVE-2026-91826?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs