CVE-2026-15557

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-07-13. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in waooAI waoowaoo up to 0.4.1. Affected by this vulnerability is the function getInternalTaskSession/getAuthSession/requireUserAuth/requireProjectAuth/requireProjectAuthLight in the library src/lib/api-auth.ts of the component Internal Task Header Handler. This manipulation of the argument x-internal-user-id request causes improper authentication. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (2)

Auto-updated Jul 13, 2026
No patch confirmed yet.
generic

Internal task headers can forge user sessions with missing or public default token · Issue #200 · waooAI/waoowaoo · GitHub

https://github.com/waooAI/waoowaoo/issues/200
generic

GitHub - waooAI/waoowaoo: 首家工业级全流程 AI 影视生产平台。Industry-first professional AI Agent platform for controllable film & video production. From shorts to live-action with Hollywood-standard workflows. · GitHub

https://github.com/waooAI/waoowaoo/

Vendor Advisories for CVE-2026-15557(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 19× in last 7d / 105× 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 153 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-15557?
CVE-2026-15557 is a high vulnerability published on July 13, 2026. A weakness has been identified in waooAI waoowaoo up to 0.4.1. Affected by this vulnerability is the function getInternalTaskSession/getAuthSession/requireUserAuth/requireProjectAuth/requireProjectAuthLight in the library src/lib/api-auth.ts of the component Internal Task Header Handler. This…
When was CVE-2026-15557 disclosed?
CVE-2026-15557 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15557 actively exploited?
CVE-2026-15557 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15557?
CVE-2026-15557 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-15557?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15557, 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.

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