CVE-2026-41425

MEDIUMNVD 5.45.4
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 0

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

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth. This vulnerability is fixed in 1.6.11.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

April 24, 2026

Last Modified

April 28, 2026

Advisory Details (1)

Auto-updated Aug 2, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Cross-site request forging when using cache · Advisory · authlib/authlib · GitHub

https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv

Vendor Advisories for CVE-2026-41425(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
python-authlib1.2.0-1, 1.2.0-1+deb12u11.2.0-1+deb12u2
Debian:13(1)
PackageVulnerable rangeFixed inDependents
python-authlib1.6.0-1 ... 1.7.2-2 (13 versions)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
python-authlib1.6.0-1 ... 1.6.9-1 (9 versions)1.7.0-1
PyPI(1)
PackageVulnerable rangeFixed inDependents
authlib0.1 ... 1.6.9 (58 versions)1.6.11

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 21× 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 137 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41425?
CVE-2026-41425 is a medium vulnerability published on April 24, 2026. Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth. This vulnerability is fixed in 1.6.11.
When was CVE-2026-41425 disclosed?
CVE-2026-41425 was first published in the National Vulnerability Database on April 24, 2026, with the most recent update on April 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41425 actively exploited?
CVE-2026-41425 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 98.8% of all scored CVEs.
What is the CVSS score of CVE-2026-41425?
CVE-2026-41425 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-41425?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41425, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-41425

Explore →

Is Your Infrastructure Affected by CVE-2026-41425?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.