CVE-2026-56380

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-22. 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: 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.

AVideo through commit 9c39d8c8 contains an information exposure vulnerability in feed/index.php that allows unauthenticated attackers to retrieve channel owner email addresses by supplying a public channel name parameter. Attackers can enumerate all creator email addresses by iterating through public channel names and extract them from the itunes:email and itunes:author RSS elements, enabling account takeover attempts and phishing campaigns.

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
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 22, 2026

Last Modified

August 26, 2026

Advisory Details (2)

Auto-updated Aug 22, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

AVideo feed/index.php Exposure of Channel Owner Email Address | Advisories | VulnCheck

https://www.vulncheck.com/advisories/avideo-feed-index-php-exposure-of-channel-owner-email-address
github Patch Available🟡 PoC Available

Exposure of private personal information: `feed/index.php` emits a channel owner's email address into `<itunes:email>` for unauthenticated callers · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-w44x-v4c8-86f6

Vendor Advisories for CVE-2026-56380(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 23× in last 7d / 26× 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. 2026-08-30 02:57 UTCEG score recompute
  2. 2026-08-30 02:57 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 01:01 UTCEG score recompute
  5. 2026-08-29 01:01 UTCGHSA enrichment
  6. 2026-08-28 21:42 UTCEPSS rescore
  7. 2026-08-27 19:21 UTCEG score recompute
  8. 2026-08-27 19:21 UTCGHSA enrichment
  9. 2026-08-27 14:25 UTCEPSS rescore
  10. 2026-08-26 17:25 UTCEG score recompute
  11. 2026-08-26 17:25 UTCGHSA enrichment
  12. 2026-08-26 14:46 UTCEPSS rescore
  13. 2026-08-25 22:22 UTCEG score recompute
  14. 2026-08-25 22:22 UTCGHSA enrichment
  15. 2026-08-25 13:49 UTCEPSS rescore
  16. 2026-08-24 20:27 UTCEG score recompute
  17. 2026-08-24 20:27 UTCGHSA enrichment
  18. 2026-08-24 19:36 UTCEG score recompute
  19. 2026-08-24 19:36 UTCGHSA enrichment
  20. 2026-08-24 17:12 UTCEG score recompute
  21. 2026-08-24 17:12 UTCGHSA enrichment
  22. 2026-08-23 15:17 UTCEG score recompute
  23. 2026-08-23 15:17 UTCGHSA enrichment
  24. 2026-08-22 13:21 UTCEG score recompute
  25. 2026-08-22 12:46 UTCEG score recompute
Show 1 more
  1. 2026-08-22 12:45 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56380?
CVE-2026-56380 is a medium vulnerability published on August 22, 2026. AVideo through commit 9c39d8c8 contains an information exposure vulnerability in feed/index.php that allows unauthenticated attackers to retrieve channel owner email addresses by supplying a public channel name parameter. Attackers can enumerate all creator email addresses by iterating through…
When was CVE-2026-56380 disclosed?
CVE-2026-56380 was first published in the National Vulnerability Database on August 22, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56380 actively exploited?
CVE-2026-56380 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 88.4% of all scored CVEs.
What is the CVSS score of CVE-2026-56380?
CVE-2026-56380 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-56380?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56380, 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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