CVE-2026-34033

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-06-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

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

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.0.

User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML into emails sent to other users. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

CVSS v3
5.4
EG Score
5.4(high)
EPSS
29.3%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 11, 2026

Advisory Details (2)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-34033: Apache Answer: HTML Content Injection in Email

http://www.openwall.com/lists/oss-security/2026/06/09/3
generic
https://lists.apache.org/thread/wrfd9blbfotfg479jr8vlwfx6pwr9sgj

Vendor Advisories for CVE-2026-34033(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 89× 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. 2026-07-06 01:36 UTCEG score recompute
  6. 2026-07-06 01:36 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 00:50 UTCEG score recompute
  9. 2026-07-05 00:50 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 22:26 UTCEG score recompute
  12. 2026-07-03 22:26 UTCGHSA enrichment
  13. 2026-07-02 21:34 UTCEG score recompute
  14. 2026-07-02 21:34 UTCGHSA enrichment
  15. 2026-07-01 20:49 UTCEG score recompute
  16. 2026-07-01 20:49 UTCGHSA enrichment
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 20:03 UTCEG score recompute
  20. 2026-06-30 20:03 UTCGHSA enrichment
  21. 2026-06-29 19:12 UTCEG score recompute
  22. 2026-06-29 19:12 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-28 17:22 UTCEG score recompute
Show 64 more
  1. 2026-06-28 17:22 UTCGHSA enrichment
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 16:36 UTCEG score recompute
  7. 2026-06-27 16:36 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 15:50 UTCEG score recompute
  10. 2026-06-26 15:50 UTCGHSA enrichment
  11. 2026-06-25 14:53 UTCEG score recompute
  12. 2026-06-25 14:53 UTCGHSA enrichment
  13. 2026-06-25 13:49 UTCEPSS rescore
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-24 14:07 UTCEG score recompute
  16. 2026-06-24 14:07 UTCGHSA enrichment
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-23 21:33 UTCEPSS rescore
  20. 2026-06-23 12:15 UTCEG score recompute
  21. 2026-06-23 12:14 UTCGHSA enrichment
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-22 05:24 UTCEG score recompute
  25. 2026-06-22 05:24 UTCGHSA enrichment
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 14:56 UTCEPSS rescore
  28. 2026-06-21 01:59 UTCEPSS rescore
  29. 2026-06-20 21:44 UTCEG score recompute
  30. 2026-06-20 21:43 UTCGHSA enrichment
  31. 2026-06-19 20:12 UTCEG score recompute
  32. 2026-06-19 20:12 UTCGHSA enrichment
  33. 2026-06-19 19:25 UTCEPSS rescore
  34. 2026-06-19 19:25 UTCEPSS rescore
  35. 2026-06-18 19:25 UTCEG score recompute
  36. 2026-06-18 19:25 UTCGHSA enrichment
  37. 2026-06-18 17:52 UTCEPSS rescore
  38. 2026-06-18 17:52 UTCEPSS rescore
  39. 2026-06-17 17:58 UTCEG score recompute
  40. 2026-06-17 17:58 UTCGHSA enrichment
  41. 2026-06-17 17:53 UTCEPSS rescore
  42. 2026-06-16 17:52 UTCEPSS rescore
  43. 2026-06-16 17:06 UTCEG score recompute
  44. 2026-06-16 17:06 UTCGHSA enrichment
  45. 2026-06-15 17:49 UTCEPSS rescore
  46. 2026-06-15 16:20 UTCEG score recompute
  47. 2026-06-15 16:20 UTCGHSA enrichment
  48. 2026-06-14 23:18 UTCEPSS rescore
  49. 2026-06-14 15:35 UTCEG score recompute
  50. 2026-06-14 15:35 UTCGHSA enrichment
  51. 2026-06-13 23:00 UTCEPSS rescore
  52. 2026-06-13 14:49 UTCEG score recompute
  53. 2026-06-13 14:49 UTCGHSA enrichment
  54. 2026-06-12 23:12 UTCEPSS rescore
  55. 2026-06-12 23:12 UTCEPSS rescore
  56. 2026-06-12 14:03 UTCEG score recompute▲ 5.40
  57. 2026-06-12 14:03 UTCGHSA enrichment
  58. 2026-06-11 14:00 UTCEPSS rescore
  59. 2026-06-10 22:18 UTCEPSS rescore
  60. 2026-06-10 13:22 UTCEPSS rescore
  61. 2026-06-09 16:22 UTCMITRE cvelistV5CVSS v3 → 5.4 · severity → MEDIUM
  62. 2026-06-09 09:35 UTCNVD update
  63. 2026-06-09 08:46 UTCEG score recompute
  64. 2026-06-09 08:45 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-34033?
CVE-2026-34033 is a medium vulnerability published on June 9, 2026. Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML…
When was CVE-2026-34033 disclosed?
CVE-2026-34033 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34033 actively exploited?
CVE-2026-34033 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34033?
CVE-2026-34033 has a CVSS v3.1 base score of 5.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-34033?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34033, 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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