CVE-2026-11878

MEDIUMNVD 6.16.1
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText Access Manager allows Cross-Site Scripting (XSS).

This issue affects Access Manager: from 5.1 through 5.1.2.

CVSS v3
6.1
EG Score
6.1(high)
EPSS
3.0%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 24, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-11878(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 20× in last 7d / 52× 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 15:08 UTCEG score recompute
  3. 2026-07-06 15:08 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 12:31 UTCEG score recompute
  6. 2026-07-05 12:31 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 10:10 UTCEG score recompute
  10. 2026-07-04 10:10 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 07:49 UTCEG score recompute
  13. 2026-07-03 07:48 UTCGHSA enrichment
  14. 2026-07-02 05:26 UTCEG score recompute
  15. 2026-07-02 05:26 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 03:06 UTCEG score recompute
  19. 2026-07-01 03:06 UTCGHSA enrichment
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 00:45 UTCEG score recompute 2.10
  22. 2026-06-30 00:45 UTCGHSA enrichment
  23. 2026-06-29 20:05 UTCNVD updateCVSS v3 → 6.1 · severity → MEDIUM
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 12:30 UTCEG score recompute
Show 27 more
  1. 2026-06-29 12:30 UTCGHSA enrichment
  2. 2026-06-29 00:15 UTCEG score recompute
  3. 2026-06-29 00:15 UTCGHSA enrichment
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 11:59 UTCEG score recompute
  6. 2026-06-28 11:59 UTCGHSA enrichment
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-27 23:45 UTCEG score recompute
  10. 2026-06-27 23:45 UTCGHSA enrichment
  11. 2026-06-27 11:30 UTCEG score recompute
  12. 2026-06-27 11:30 UTCGHSA enrichment
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-26 23:15 UTCEG score recompute
  15. 2026-06-26 23:15 UTCGHSA enrichment
  16. 2026-06-26 11:01 UTCEG score recompute
  17. 2026-06-26 11:00 UTCGHSA enrichment
  18. 2026-06-25 19:04 UTCEG score recompute
  19. 2026-06-25 19:04 UTCGHSA enrichment
  20. 2026-06-25 13:49 UTCEPSS rescore
  21. 2026-06-25 06:49 UTCEG score recompute
  22. 2026-06-25 06:49 UTCGHSA enrichment
  23. 2026-06-24 18:31 UTCEG score recompute 8.20
  24. 2026-06-24 18:31 UTCGHSA enrichment
  25. 2026-06-24 18:02 UTCNVD updateCVSS v3 → 8.2 · CVSS v4 → 8.2
  26. 2026-06-24 16:03 UTCEG score recompute
  27. 2026-06-24 16:03 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-11878?
CVE-2026-11878 is a medium vulnerability published on June 24, 2026. Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText Access Manager allows Cross-Site Scripting (XSS). This issue affects Access Manager: from 5.1 through 5.1.2.
When was CVE-2026-11878 disclosed?
CVE-2026-11878 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11878 actively exploited?
CVE-2026-11878 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11878?
CVE-2026-11878 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-11878?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11878, 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-2026-11878

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