CVE-2026-11878

MEDIUMNVD 6.16.1
EchelonGraph scoreMEDIUM 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
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 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(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
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 6× in last 7d / 47× 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.

Showing the most recent 100 of 154 total refreshes for this CVE.

  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-11 09:36 UTCEPSS rescore
  3. 2026-09-10 09:34 UTCEPSS rescore
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-07 16:01 UTCEPSS rescore
  6. 2026-09-06 13:47 UTCEPSS rescore
  7. 2026-09-04 05:06 UTCEPSS rescore
  8. 2026-09-02 14:11 UTCEPSS rescore
  9. 2026-09-01 13:53 UTCEPSS rescore
  10. 2026-09-01 04:39 UTCEPSS rescore
  11. 2026-08-30 20:20 UTCEG score recompute
  12. 2026-08-30 20:20 UTCGHSA enrichment
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 01:21 UTCEPSS rescore
  15. 2026-08-28 21:40 UTCEPSS rescore
  16. 2026-08-28 04:51 UTCEG score recompute
  17. 2026-08-28 04:51 UTCGHSA enrichment
  18. 2026-08-27 14:24 UTCEPSS rescore
  19. 2026-08-25 13:48 UTCEPSS rescore
  20. 2026-08-24 22:02 UTCEG score recompute
  21. 2026-08-24 22:02 UTCGHSA enrichment
  22. 2026-08-23 15:32 UTCEG score recompute
  23. 2026-08-23 15:32 UTCGHSA enrichment
  24. 2026-08-23 00:19 UTCEPSS rescore
  25. 2026-08-22 13:11 UTCEG score recompute
Show 75 more
  1. 2026-08-22 13:11 UTCGHSA enrichment
  2. 2026-08-21 23:48 UTCEPSS rescore
  3. 2026-08-21 09:55 UTCEG score recompute
  4. 2026-08-21 09:55 UTCGHSA enrichment
  5. 2026-08-20 22:55 UTCEPSS rescore
  6. 2026-08-20 07:35 UTCEG score recompute
  7. 2026-08-20 07:35 UTCGHSA enrichment
  8. 2026-08-19 17:03 UTCEPSS rescore
  9. 2026-08-19 02:17 UTCEG score recompute
  10. 2026-08-19 02:17 UTCGHSA enrichment
  11. 2026-08-16 18:31 UTCEG score recompute
  12. 2026-08-16 18:31 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 16:05 UTCEG score recompute
  16. 2026-08-15 16:05 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 13:44 UTCEG score recompute
  19. 2026-08-14 13:44 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 11:23 UTCEG score recompute
  22. 2026-08-13 11:23 UTCGHSA enrichment
  23. 2026-08-12 13:50 UTCEPSS rescore
  24. 2026-08-12 09:02 UTCEG score recompute
  25. 2026-08-12 09:02 UTCGHSA enrichment
  26. 2026-08-11 13:42 UTCEPSS rescore
  27. 2026-08-11 06:40 UTCEG score recompute
  28. 2026-08-11 06:40 UTCGHSA enrichment
  29. 2026-08-10 23:59 UTCEPSS rescore
  30. 2026-08-10 04:19 UTCEG score recompute
  31. 2026-08-10 04:19 UTCGHSA enrichment
  32. 2026-08-09 13:46 UTCEPSS rescore
  33. 2026-08-09 01:59 UTCEG score recompute
  34. 2026-08-09 01:59 UTCGHSA enrichment
  35. 2026-08-08 16:37 UTCEPSS rescore
  36. 2026-08-07 23:38 UTCEG score recompute
  37. 2026-08-07 23:38 UTCGHSA enrichment
  38. 2026-08-06 21:18 UTCEG score recompute
  39. 2026-08-06 21:18 UTCGHSA enrichment
  40. 2026-08-06 13:46 UTCEPSS rescore
  41. 2026-08-05 19:17 UTCEPSS rescore
  42. 2026-08-05 18:57 UTCGHSA enrichment
  43. 2026-08-04 16:36 UTCEG score recompute
  44. 2026-08-04 16:36 UTCGHSA enrichment
  45. 2026-08-04 10:38 UTCEPSS rescore
  46. 2026-08-03 14:08 UTCEG score recompute
  47. 2026-08-03 14:08 UTCGHSA enrichment
  48. 2026-08-03 10:35 UTCEPSS rescore
  49. 2026-08-02 10:26 UTCEG score recompute
  50. 2026-08-02 10:26 UTCGHSA enrichment
  51. 2026-08-02 02:26 UTCEPSS rescore
  52. 2026-08-01 08:06 UTCEG score recompute
  53. 2026-08-01 08:06 UTCGHSA enrichment
  54. 2026-08-01 04:15 UTCEPSS rescore
  55. 2026-07-31 05:46 UTCEG score recompute
  56. 2026-07-31 05:46 UTCGHSA enrichment
  57. 2026-07-30 16:27 UTCEPSS rescore
  58. 2026-07-30 03:25 UTCEG score recompute
  59. 2026-07-30 03:25 UTCGHSA enrichment
  60. 2026-07-30 01:30 UTCEPSS rescore
  61. 2026-07-29 01:03 UTCGHSA enrichment
  62. 2026-07-27 18:04 UTCEG score recompute
  63. 2026-07-27 18:04 UTCGHSA enrichment
  64. 2026-07-27 14:13 UTCEPSS rescore
  65. 2026-07-26 15:43 UTCEG score recompute
  66. 2026-07-26 15:43 UTCGHSA enrichment
  67. 2026-07-25 14:17 UTCEPSS rescore
  68. 2026-07-24 14:17 UTCEPSS rescore
  69. 2026-07-23 14:18 UTCEPSS rescore
  70. 2026-07-23 03:05 UTCEG score recompute
  71. 2026-07-22 14:08 UTCEPSS rescore
  72. 2026-07-21 15:24 UTCEPSS rescore
  73. 2026-07-20 17:08 UTCEPSS rescore
  74. 2026-07-19 14:30 UTCEPSS rescore
  75. 2026-07-18 10:04 UTCEPSS rescore

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 0% probability of exploitation in the next 30 days, which ranks it in the top 87.5% of all scored CVEs.
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

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