CVE-2026-11877

HIGHNVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory published 2026-06-24. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This issue affects Access Manager before 5.1.3.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
7.5%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 29, 2026

Advisory Details (1)

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

Portal

https://portal.microfocus.com/s/article/KM000047450

Vendor Advisories for CVE-2026-11877(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 34× in last 7d / 56× 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. 2026-07-07 02:26 UTCEG score recompute
  2. 2026-07-07 02:26 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 13:31 UTCEG score recompute
  5. 2026-07-06 13:31 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 00:34 UTCEG score recompute
  8. 2026-07-06 00:34 UTCGHSA enrichment
  9. 2026-07-05 11:41 UTCEG score recompute
  10. 2026-07-05 11:41 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-04 22:47 UTCEG score recompute
  14. 2026-07-04 22:47 UTCGHSA enrichment
  15. 2026-07-04 09:54 UTCEG score recompute
  16. 2026-07-04 09:54 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-03 21:01 UTCEG score recompute
  19. 2026-07-03 21:01 UTCGHSA enrichment
  20. 2026-07-03 08:07 UTCEG score recompute
  21. 2026-07-03 08:07 UTCGHSA enrichment
  22. 2026-07-02 19:12 UTCEG score recompute
  23. 2026-07-02 19:12 UTCGHSA enrichment
  24. 2026-07-02 06:19 UTCEG score recompute
  25. 2026-07-02 06:19 UTCGHSA enrichment
Show 31 more
  1. 2026-07-01 17:26 UTCEG score recompute
  2. 2026-07-01 17:26 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 04:33 UTCEG score recompute
  6. 2026-07-01 04:33 UTCGHSA enrichment
  7. 2026-06-30 23:22 UTCEPSS rescore
  8. 2026-06-30 15:37 UTCEG score recompute
  9. 2026-06-30 15:37 UTCGHSA enrichment
  10. 2026-06-30 02:44 UTCEG score recompute▲ 1.20
  11. 2026-06-30 02:44 UTCGHSA enrichment
  12. 2026-06-29 20:05 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 01:05 UTCEG score recompute
  15. 2026-06-29 01:05 UTCGHSA enrichment
  16. 2026-06-28 14:07 UTCEPSS rescore
  17. 2026-06-28 04:56 UTCEPSS rescore
  18. 2026-06-28 04:56 UTCEPSS rescore
  19. 2026-06-27 23:27 UTCEG score recompute
  20. 2026-06-27 23:27 UTCGHSA enrichment
  21. 2026-06-27 03:08 UTCEPSS rescore
  22. 2026-06-26 21:48 UTCEG score recompute
  23. 2026-06-26 21:48 UTCGHSA enrichment
  24. 2026-06-25 20:10 UTCEG score recompute
  25. 2026-06-25 20:10 UTCGHSA enrichment
  26. 2026-06-25 13:49 UTCEPSS rescore
  27. 2026-06-24 18:31 UTCEG score recompute▲ 6.30
  28. 2026-06-24 18:31 UTCGHSA enrichment
  29. 2026-06-24 18:02 UTCNVD updateCVSS v3 → 6.3 · CVSS v4 → 6.3
  30. 2026-06-24 16:03 UTCEG score recompute
  31. 2026-06-24 16:03 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-11877?
CVE-2026-11877 is a high vulnerability published on June 24, 2026. An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This issue affects Access Manager before 5.1.3.
When was CVE-2026-11877 disclosed?
CVE-2026-11877 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-2026-11877 actively exploited?
CVE-2026-11877 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11877?
CVE-2026-11877 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-11877?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11877, 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-2026-11877

Explore →

Is Your Infrastructure Affected by CVE-2026-11877?

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

Start Free Scan →Browse All CVEs