CVE-2026-15557

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH 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: 0%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(high)
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
0%
EPSS %ILE
32%
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 24× in last 7d / 48× 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. 2026-07-31 02:19 UTCEG score recompute
  2. 2026-07-31 02:19 UTCGHSA enrichment
  3. 2026-07-30 13:57 UTCEG score recompute
  4. 2026-07-30 13:57 UTCGHSA enrichment
  5. 2026-07-30 01:42 UTCEG score recompute
  6. 2026-07-30 01:42 UTCGHSA enrichment
  7. 2026-07-30 01:30 UTCEPSS rescore
  8. 2026-07-29 13:27 UTCGHSA enrichment
  9. 2026-07-29 01:12 UTCEG score recompute
  10. 2026-07-29 01:12 UTCGHSA enrichment
  11. 2026-07-28 15:36 UTCEPSS rescore
  12. 2026-07-28 12:55 UTCGHSA enrichment
  13. 2026-07-28 00:38 UTCEG score recompute
  14. 2026-07-28 00:38 UTCGHSA enrichment
  15. 2026-07-27 14:13 UTCEPSS rescore
  16. 2026-07-27 12:24 UTCGHSA enrichment
  17. 2026-07-27 00:09 UTCEG score recompute
  18. 2026-07-27 00:09 UTCGHSA enrichment
  19. 2026-07-26 14:54 UTCEPSS rescore
  20. 2026-07-26 14:54 UTCEPSS rescore
  21. 2026-07-26 11:53 UTCEG score recompute
  22. 2026-07-26 11:53 UTCGHSA enrichment
  23. 2026-07-25 14:17 UTCEPSS rescore
  24. 2026-07-24 14:17 UTCEPSS rescore
  25. 2026-07-23 14:18 UTCEPSS rescore
Show 23 more
  1. 2026-07-23 03:05 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:30 UTCEPSS rescore
  6. 2026-07-19 02:28 UTCEPSS rescore
  7. 2026-07-18 10:04 UTCEPSS rescore
  8. 2026-07-16 23:36 UTCGHSA enrichment
  9. 2026-07-16 17:02 UTCEPSS rescore
  10. 2026-07-16 11:22 UTCGHSA enrichment
  11. 2026-07-15 23:07 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 10:52 UTCGHSA enrichment
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-14 22:37 UTCGHSA enrichment
  16. 2026-07-14 10:22 UTCGHSA enrichment
  17. 2026-07-13 22:30 UTCEPSS rescore
  18. 2026-07-13 22:08 UTCGHSA enrichment
  19. 2026-07-13 20:08 UTCNVD updateCVSS v4 → 5.5
  20. 2026-07-13 18:27 UTCMITRE cvelistV5CVSS v4 → 6.9
  21. 2026-07-13 10:22 UTCNVD updateCVSS v4 → 5.5
  22. 2026-07-13 09:53 UTCEG score recompute
  23. 2026-07-13 09:52 UTCMITRE cvelistV5first tracked

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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 0% probability of exploitation in the next 30 days, which ranks it in the top 67.5% 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.

Dependency Blast Radius

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