CVE-2026-71390

MEDIUMPre-NVD 4.04.0—
EchelonGraph scoreHIGH confidence

Score 4.0 from GitHub Security Advisory published 2026-08-11. a secondary CVSS source baseline 4.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.0Exploit: None knownExposed: 0

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

CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction.

CVSS v3
4.0
EG Score
4.0(high)
EG Risk
18(Track)
EG Risk 18/100SSVC: 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
Severity40% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 14, 2026

References (1)

Vendor Advisories for CVE-2026-71390(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 21× 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. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 19:07 UTCGHSA enrichment
  3. 2026-08-19 18:40 UTCEG score recompute
  4. 2026-08-19 18:40 UTCGHSA enrichment
  5. 2026-08-19 17:04 UTCEPSS rescore
  6. 2026-08-18 17:50 UTCEG score recompute
  7. 2026-08-18 17:50 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 17:11 UTCEG score recompute
  11. 2026-08-17 17:11 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 16:44 UTCEG score recompute
  14. 2026-08-16 16:44 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 02:15 UTCEPSS rescore
  18. 2026-08-15 16:18 UTCEG score recompute
  19. 2026-08-15 16:18 UTCGHSA enrichment
  20. 2026-08-15 01:31 UTCEPSS rescore
  21. 2026-08-14 15:50 UTCGHSA enrichment
  22. 2026-08-13 21:48 UTCGHSA enrichment
  23. 2026-08-12 21:21 UTCGHSA enrichment
  24. 2026-08-12 19:05 UTCEG score recompute
  25. 2026-08-12 19:05 UTCGHSA enrichment
Show 7 more
  1. 2026-08-12 13:51 UTCEPSS rescore
  2. 2026-08-11 18:39 UTCEG score recompute
  3. 2026-08-11 18:39 UTCGHSA enrichment
  4. 2026-08-11 18:13 UTCEG score recompute
  5. 2026-08-11 17:43 UTCEG score recompute
  6. 2026-08-11 17:18 UTCEG score recompute
  7. 2026-08-11 17:11 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-71390?
CVE-2026-71390 is a medium vulnerability published on August 11, 2026. CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user…
When was CVE-2026-71390 disclosed?
CVE-2026-71390 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71390 actively exploited?
CVE-2026-71390 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 94.8% of all scored CVEs.
What is the CVSS score of CVE-2026-71390?
CVE-2026-71390 has a CVSS v3 base score of 4.0 (NVD).
How do I remediate CVE-2026-71390?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71390, 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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