CVE-2026-10839

MEDIUMPre-NVD 5.15.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 66% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
5.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.1Exploit: NoneExposed: 0

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

Open redirection vulnerability in the authentication system allows an attacker to use manipulated values in the X-Forwarded-Host header to alter the URLs generated by the application. A successful exploit could redirect authenticated users to malicious sites following login procedures or interaction with the interface, resulting in limited impact on confidentiality and integrity.

CVSS v3
5.1
EG Score
5.1(medium)
EPSS
33.8%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 19, 2026
No patch confirmed yet.
generic

Multiple vulnerabilities in Password Manager | INCIBE-CERT | INCIBE

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-password-manager

Vendor Advisories for CVE-2026-10839(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 22× in last 7d / 62× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 13:56 UTCEG score recompute
  3. 2026-07-06 13:56 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 12:44 UTCEG score recompute
  6. 2026-07-05 12:44 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 11:33 UTCEG score recompute
  10. 2026-07-04 11:33 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 10:22 UTCEG score recompute
  13. 2026-07-03 10:22 UTCGHSA enrichment
  14. 2026-07-02 09:09 UTCEG score recompute
  15. 2026-07-02 09:09 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 07:59 UTCEG score recompute
  19. 2026-07-01 07:59 UTCGHSA enrichment
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 06:48 UTCEG score recompute
  22. 2026-06-30 06:48 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 05:37 UTCEG score recompute
  25. 2026-06-29 05:37 UTCGHSA enrichment
Show 37 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-28 04:20 UTCEG score recompute
  5. 2026-06-28 04:20 UTCGHSA enrichment
  6. 2026-06-27 03:09 UTCEG score recompute
  7. 2026-06-27 03:09 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 01:59 UTCEG score recompute
  10. 2026-06-26 01:58 UTCGHSA enrichment
  11. 2026-06-25 13:49 UTCEPSS rescore
  12. 2026-06-25 00:48 UTCEG score recompute
  13. 2026-06-25 00:47 UTCGHSA enrichment
  14. 2026-06-24 14:05 UTCEPSS rescore
  15. 2026-06-23 23:37 UTCEG score recompute
  16. 2026-06-23 23:37 UTCGHSA enrichment
  17. 2026-06-23 21:32 UTCEPSS rescore
  18. 2026-06-22 22:26 UTCEG score recompute
  19. 2026-06-22 22:25 UTCGHSA enrichment
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-21 21:15 UTCEG score recompute
  23. 2026-06-21 21:15 UTCGHSA enrichment
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-21 01:59 UTCEPSS rescore
  28. 2026-06-20 19:46 UTCEG score recompute
  29. 2026-06-20 19:46 UTCGHSA enrichment
  30. 2026-06-19 19:25 UTCEPSS rescore
  31. 2026-06-19 18:22 UTCEG score recompute
  32. 2026-06-19 18:22 UTCGHSA enrichment
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-18 17:11 UTCEG score recompute
  35. 2026-06-18 17:11 UTCGHSA enrichment
  36. 2026-06-17 15:52 UTCEG score recompute
  37. 2026-06-17 15:50 UTCNVD updatefirst tracked

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Frequently asked(5)

What is CVE-2026-10839?
CVE-2026-10839 is a medium vulnerability published on June 17, 2026. Open redirection vulnerability in the authentication system allows an attacker to use manipulated values in the X-Forwarded-Host header to alter the URLs generated by the application. A successful exploit could redirect authenticated users to malicious sites following login procedures or…
When was CVE-2026-10839 disclosed?
CVE-2026-10839 was first published in the National Vulnerability Database on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10839 actively exploited?
CVE-2026-10839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-10839?
CVE-2026-10839 has a CVSS v3 base score of 5.1 (NVD).
How do I remediate CVE-2026-10839?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10839, 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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