CVE-2026-33818

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-14. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — Patch released 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: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.

CVSS v3
7.5
EG Score
7.5(medium)
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%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

August 13, 2026

Last Modified

September 17, 2026

Advisory Details (4)

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

GO-2026-5972 - Go Packages

https://pkg.go.dev/vuln/GO-2026-5972
generic
https://go.dev/cl/814980
generic
https://groups.google.com/g/golang-announce/c/94pEornpRlI
generic

encoding/asn1: enforce maximum recursion depth · Issue #80405 · golang/go · GitHub

https://go.dev/issue/80405

Vendor Advisories for CVE-2026-33818(20)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopentelemetry-collector-0:0.152.1-2.el9_42026-09-17redhat
redhatosbuild-composer-0:75-10.el8_82026-09-17redhat
redhatopentelemetry-collector-0:0.152.1-2.el9_62026-09-16redhat
redhatflightctl-0:1.1.4-1.el9em2026-09-16redhat
redhatcryostat/cryostat-storage-rhel9:4.2.0-222026-09-16redhat
redhatopentelemetry-collector-0:0.152.1-2.el10_02026-09-16redhat
redhatflightctl-0:1.2.1-1.el92026-09-16redhat
redhatose-crio-credential-provider-0:4.21.0-202609021357.p2.g83d4961.assembly.stream.el102026-09-15redhat
redhatopenshift-0:4.22.0-202609021800.p2.g19365a0.assembly.stream.el82026-09-15redhat
redhatopenshift-0:4.20.0-202609041738.p2.g4012064.assembly.stream.el82026-09-15redhat
redhatgrafana-0:10.2.6-26.el10_02026-09-15redhat
redhatgrafana-0:10.2.6-23.el9_62026-09-15redhat
redhatgrafana-pcp-0:5.1.1-5.el9_2.22026-09-14redhat
redhatgrafana-pcp-0:5.1.1-15.el9_6.12026-09-14redhat
redhatdelve-0:1.26.1-1.el9_4.12026-09-14redhat
redhatdelve-0:1.26.1-1.el9_6.12026-09-14redhat
redhatgrafana-pcp-0:5.1.1-9.el9_42026-09-14redhat
redhatrhc-worker-playbook-0:0.2.10-2.el10_22026-09-14redhat
redhatgit-lfs-0:3.6.1-2.el10_0.72026-09-14redhat
redhatgit-lfs-0:3.6.1-2.el9_6.72026-09-14redhat
redhatdelve-0:1.26.1-1.el9_2.12026-09-14redhat
redhatgit-lfs-0:3.4.1-13.el8_102026-09-14redhat
redhatgit-lfs-0:3.2.0-2.el9_2.102026-09-14redhat
redhatgrafana-pcp-0:5.3.0-1.el10_0.12026-09-11redhat
redhatquay/quay-rhel8:17885943762026-09-10redhat
redhatosbuild-composer-0:134.1-12.el10_02026-09-10redhat
redhatgit-lfs-0:3.7.1-4.el9_8.32026-09-10redhat
redhatopenshift-logging/eventrouter-rhel9:17883757962026-09-10redhat
redhatexternal-secrets-operator/external-secrets-rhel9:17889639292026-09-10redhat
redhatoadp/oadp-velero-rhel9:17888604612026-09-09redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(6 across 4 ecosystems)
Debian:14(3)
PackageVulnerable rangeFixed inDependents
golang-1.251.25.0-1 ... 1.25.9-1 (20 versions)——
golang-1.261.26.0-1 ... 1.26~rc3-2 (16 versions)1.26.6-1—
golang-1.271.27~rc1-1, 1.27~rc2-11.27~rc3-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
golang-1.191.19.10-1 ... 1.19.9-1 (12 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
golang-1.241.24.12-1 ... 1.24.9-1 (10 versions)——
Go(1)
PackageVulnerable rangeFixed inDependents
stdlib—1.27.0-rc.3—

Weakness Classification(1)

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

All Vendor Advisories

(25)

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 44× in last 7d / 177× 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 224 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-33818?
CVE-2026-33818 is a high vulnerability published on August 13, 2026. Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.
When was CVE-2026-33818 disclosed?
CVE-2026-33818 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33818 actively exploited?
CVE-2026-33818 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 54.2% of all scored CVEs.
What is the CVSS score of CVE-2026-33818?
CVE-2026-33818 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-33818?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33818, 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-2026-33818

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