CVE-2026-85691

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

MegaParse 0.0.55 contains an unauthenticated server-side request forgery vulnerability in the POST /v1/url endpoint that fetches caller-supplied URLs server-side. Attackers can supply internal service URLs or metadata endpoints without authentication to read their responses directly from the JSON response.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 10, 2026

Advisory Details (4)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

MegaParse 0.0.55 Server-Side Request Forgery via POST /v1/url | Advisories | VulnCheck

https://www.vulncheck.com/advisories/megaparse-0.0.55-server-side-request-forgery-via-post-v1-url
generic

megaparse/libs/megaparse/src/megaparse/api/app.py at megaparse-v0.0.55 · The-Vibe-Company/megaparse · GitHub

https://github.com/The-Vibe-Company/megaparse/blob/megaparse-v0.0.55/libs/megaparse/src/megaparse/api/app.py
generic

GitHub - The-Vibe-Company/megaparse: File Parser optimised for LLM Ingestion with no loss 🧠 Parse PDFs, Docx, PPTx in a format that is ideal for LLMs. · GitHub

https://github.com/The-Vibe-Company/megaparse
generic

Unauthenticated full-read SSRF via the parse-from-URL endpoint (POST /v1/url) · Issue #259 · The-Vibe-Company/megaparse · GitHub

https://github.com/The-Vibe-Company/megaparse/issues/259

Vendor Advisories for CVE-2026-85691(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 27× in last 7d / 66× 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. 2026-09-20 23:33 UTCEG score recompute
  2. 2026-09-20 23:33 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 11:16 UTCGHSA enrichment
  5. 2026-09-19 23:00 UTCEG score recompute
  6. 2026-09-19 23:00 UTCGHSA enrichment
  7. 2026-09-19 10:45 UTCGHSA enrichment
  8. 2026-09-18 22:23 UTCEG score recompute
  9. 2026-09-18 22:22 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 10:07 UTCGHSA enrichment
  12. 2026-09-17 21:51 UTCEG score recompute
  13. 2026-09-17 21:51 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 09:35 UTCGHSA enrichment
  16. 2026-09-16 21:19 UTCEG score recompute
  17. 2026-09-16 21:19 UTCGHSA enrichment
  18. 2026-09-16 14:09 UTCEPSS rescore
  19. 2026-09-16 09:01 UTCEG score recompute
  20. 2026-09-16 09:01 UTCGHSA enrichment
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-15 19:43 UTCGHSA enrichment
  23. 2026-09-15 07:19 UTCEG score recompute
  24. 2026-09-15 07:19 UTCGHSA enrichment
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 41 more
  1. 2026-09-15 03:12 UTCEPSS rescore
  2. 2026-09-14 19:02 UTCGHSA enrichment
  3. 2026-09-14 06:46 UTCGHSA enrichment
  4. 2026-09-13 18:30 UTCEG score recompute
  5. 2026-09-13 18:30 UTCGHSA enrichment
  6. 2026-09-13 06:14 UTCGHSA enrichment
  7. 2026-09-12 17:58 UTCEG score recompute
  8. 2026-09-12 17:58 UTCGHSA enrichment
  9. 2026-09-12 05:42 UTCGHSA enrichment
  10. 2026-09-11 17:26 UTCEG score recompute
  11. 2026-09-11 17:26 UTCGHSA enrichment
  12. 2026-09-11 14:53 UTCEPSS rescore
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-11 04:41 UTCGHSA enrichment
  15. 2026-09-10 16:25 UTCEG score recompute
  16. 2026-09-10 16:25 UTCGHSA enrichment
  17. 2026-09-10 15:28 UTCEG score recompute
  18. 2026-09-10 15:28 UTCGHSA enrichment
  19. 2026-09-10 11:52 UTCEG score recompute
  20. 2026-09-10 11:52 UTCGHSA enrichment
  21. 2026-09-09 23:36 UTCGHSA enrichment
  22. 2026-09-09 11:20 UTCGHSA enrichment
  23. 2026-09-08 23:04 UTCEG score recompute
  24. 2026-09-08 23:04 UTCGHSA enrichment
  25. 2026-09-08 22:01 UTCEPSS rescore
  26. 2026-09-08 05:20 UTCGHSA enrichment
  27. 2026-09-07 17:04 UTCEG score recompute
  28. 2026-09-07 17:04 UTCGHSA enrichment
  29. 2026-09-07 04:47 UTCGHSA enrichment
  30. 2026-09-06 16:32 UTCEG score recompute
  31. 2026-09-06 16:32 UTCGHSA enrichment
  32. 2026-09-06 13:48 UTCEPSS rescore
  33. 2026-09-06 04:15 UTCGHSA enrichment
  34. 2026-09-05 15:59 UTCEG score recompute
  35. 2026-09-05 15:59 UTCGHSA enrichment
  36. 2026-09-05 15:31 UTCEPSS rescore
  37. 2026-09-05 03:38 UTCEG score recompute
  38. 2026-09-05 03:38 UTCGHSA enrichment
  39. 2026-09-04 15:22 UTCEG score recompute
  40. 2026-09-04 14:45 UTCEG score recompute
  41. 2026-09-04 14:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85691?
CVE-2026-85691 is a high vulnerability published on September 4, 2026. MegaParse 0.0.55 contains an unauthenticated server-side request forgery vulnerability in the POST /v1/url endpoint that fetches caller-supplied URLs server-side. Attackers can supply internal service URLs or metadata endpoints without authentication to read their responses directly from the JSON…
When was CVE-2026-85691 disclosed?
CVE-2026-85691 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85691 actively exploited?
CVE-2026-85691 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 72.9% of all scored CVEs.
What is the CVSS score of CVE-2026-85691?
CVE-2026-85691 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-85691?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85691, 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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