CVE-2026-34416

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-06-09. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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.

OSCAL-GUI contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser by injecting malicious input through the project request parameter. Attackers can craft a malicious URL containing unsanitized input that breaks out of the JavaScript string and HTML attribute context in the body onload event handler to execute arbitrary scripts when the link is visited by a victim.

CVSS v3
6.1
EG Score
6.1(high)
EPSS
9.9%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 10, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

OSCAL-GUI Reflected XSS via project parameter in oscal.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/oscal-gui-reflected-xss-via-project-parameter-in-oscal-php
generic

Vulnerability disclosure - Cross-site scripting in OSCAL GUI · GitHub

https://gist.github.com/cyberinforepo/5a8d369a005826b6b42bfeed9607c2dd

Vendor Advisories for CVE-2026-34416(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 / 90× 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 16:27 UTCEPSS rescore
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 20:14 UTCEG score recompute
  6. 2026-07-05 20:14 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 19:29 UTCEG score recompute
  9. 2026-07-04 19:28 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 17:49 UTCEG score recompute
  12. 2026-07-03 17:49 UTCGHSA enrichment
  13. 2026-07-02 17:03 UTCEG score recompute
  14. 2026-07-02 17:02 UTCGHSA enrichment
  15. 2026-07-01 16:17 UTCEG score recompute
  16. 2026-07-01 16:17 UTCGHSA enrichment
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 15:30 UTCEG score recompute
  20. 2026-06-30 15:30 UTCGHSA enrichment
  21. 2026-06-29 14:45 UTCEG score recompute
  22. 2026-06-29 14:45 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 65 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 13:59 UTCEG score recompute
  3. 2026-06-28 13:59 UTCGHSA enrichment
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 13:14 UTCEG score recompute
  7. 2026-06-27 13:14 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 12:28 UTCEG score recompute
  10. 2026-06-26 12:28 UTCGHSA enrichment
  11. 2026-06-25 13:49 UTCEPSS rescore
  12. 2026-06-25 13:49 UTCEPSS rescore
  13. 2026-06-25 11:40 UTCEG score recompute
  14. 2026-06-25 11:40 UTCGHSA enrichment
  15. 2026-06-24 14:05 UTCEPSS rescore
  16. 2026-06-24 10:55 UTCEG score recompute
  17. 2026-06-24 10:54 UTCGHSA enrichment
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-23 21:33 UTCEPSS rescore
  20. 2026-06-23 09:59 UTCEG score recompute
  21. 2026-06-23 09:59 UTCGHSA enrichment
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-22 09:03 UTCEG score recompute
  25. 2026-06-22 09:03 UTCGHSA enrichment
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 14:56 UTCEPSS rescore
  28. 2026-06-21 07:28 UTCEG score recompute
  29. 2026-06-21 07:28 UTCGHSA enrichment
  30. 2026-06-21 01:59 UTCEPSS rescore
  31. 2026-06-20 06:07 UTCEG score recompute
  32. 2026-06-20 06:06 UTCGHSA enrichment
  33. 2026-06-19 19:25 UTCEPSS rescore
  34. 2026-06-19 19:25 UTCEPSS rescore
  35. 2026-06-19 04:21 UTCEG score recompute
  36. 2026-06-19 04:21 UTCGHSA enrichment
  37. 2026-06-18 17:52 UTCEPSS rescore
  38. 2026-06-18 17:52 UTCEPSS rescore
  39. 2026-06-18 03:28 UTCEG score recompute
  40. 2026-06-18 03:28 UTCGHSA enrichment
  41. 2026-06-17 17:53 UTCEPSS rescore
  42. 2026-06-17 02:40 UTCEG score recompute
  43. 2026-06-17 02:39 UTCGHSA enrichment
  44. 2026-06-16 17:52 UTCEPSS rescore
  45. 2026-06-16 01:53 UTCEG score recompute
  46. 2026-06-16 01:53 UTCGHSA enrichment
  47. 2026-06-15 17:49 UTCEPSS rescore
  48. 2026-06-15 01:07 UTCEG score recompute
  49. 2026-06-15 01:07 UTCGHSA enrichment
  50. 2026-06-14 23:18 UTCEPSS rescore
  51. 2026-06-14 00:21 UTCEG score recompute
  52. 2026-06-14 00:20 UTCGHSA enrichment
  53. 2026-06-13 23:00 UTCEPSS rescore
  54. 2026-06-12 23:33 UTCEG score recompute
  55. 2026-06-12 23:32 UTCGHSA enrichment
  56. 2026-06-12 23:12 UTCEPSS rescore
  57. 2026-06-12 23:12 UTCEPSS rescore
  58. 2026-06-11 22:47 UTCEG score recompute
  59. 2026-06-11 22:47 UTCGHSA enrichment
  60. 2026-06-11 14:00 UTCEPSS rescore
  61. 2026-06-10 22:18 UTCEPSS rescore
  62. 2026-06-10 22:02 UTCEG score recompute
  63. 2026-06-10 22:02 UTCGHSA enrichment
  64. 2026-06-09 21:17 UTCEG score recompute
  65. 2026-06-09 21:17 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-34416?
CVE-2026-34416 is a medium vulnerability published on June 9, 2026. OSCAL-GUI contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser by injecting malicious input through the project request parameter. Attackers can craft a malicious URL containing unsanitized input that…
When was CVE-2026-34416 disclosed?
CVE-2026-34416 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34416 actively exploited?
CVE-2026-34416 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34416?
CVE-2026-34416 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-34416?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34416, 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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