CVE-2026-56852

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. 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: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 10, 2026

Advisory Details (3)

Auto-updated Jul 23, 2026
No patch confirmed yet.
generic

GO-2026-5970 - Go Packages

https://pkg.go.dev/vuln/GO-2026-5970
generic

x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input · Issue #80142 · golang/go · GitHub

https://go.dev/issue/80142
generic
https://go.dev/cl/794100

Vendor Advisories for CVE-2026-56852(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
redhatflightctl-0:1.1.4-1.el9em2026-09-16redhat
redhatflightctl-0:1.2.1-1.el92026-09-16redhat
redhatquay/quay-rhel8:17885943762026-09-10redhat
redhatexternal-secrets-operator/external-secrets-rhel9:17889639292026-09-10redhat
redhatopenshift-logging/eventrouter-rhel9:17883757962026-09-10redhat
redhatquay/quay-rhel8:17885618412026-09-09redhat
redhatoadp/oadp-velero-rhel9:17888604612026-09-09redhat
redhatquay/quay-rhel8:17885955742026-09-08redhat
redhatodf4/rook-ceph-rhel9-operator:17881648572026-09-08redhat
redhatrhosdt/tempo-rhel9:17883564732026-09-08redhat
redhatquay/quay-rhel8:17881917552026-09-03redhat
redhatcert-manager/jetstack-cert-manager-rhel9:17883485712026-09-03redhat
redhatcert-manager/cert-manager-operator-rhel9:17883485222026-09-03redhat
redhatcustom-metrics-autoscaler/custom-metrics-autoscaler-rhel9-operator:17882901212026-09-02redhat
redhatcluster-observability-operator/perses-rhel9:17875939462026-08-31redhat
redhatrhacm2/search-collector-rhel9:17872386132026-08-26redhat
redhatrhacm2/kube-rbac-proxy-rhel9:17869699462026-08-26redhat
redhatrhacm2/kube-rbac-proxy-rhel9:17869699382026-08-26redhat
redhatrhacm2/kube-rbac-proxy-rhel9:17872590732026-08-26redhat
redhatrhacm2/kube-rbac-proxy-rhel9:17872276542026-08-26redhat
redhatrhacm2/kube-rbac-proxy-rhel9:17876858542026-08-26redhat
redhatopenshift-service-mesh/kiali-rhel9:17870921982026-08-25redhat
redhatopenshift-service-mesh/kiali-rhel9:17870922552026-08-25redhat
redhatopenshift-service-mesh/kiali-rhel9:17871656832026-08-25redhat
redhatopenshift-service-mesh/kiali-rhel9:17870764952026-08-25redhat
redhatopenshift-service-mesh/kiali-rhel9:17870771082026-08-25redhat
redhatopenshift-logging/eventrouter-rhel9:17866451072026-08-18redhat
redhatexternal-secrets-operator/external-secrets-rhel9:17866146762026-08-13redhat
redhathugo-main-0.165.0-0.1.hum12026-08-13redhat
redhatrhosdt/opentelemetry-rhel9-operator:17866351752026-08-13redhat

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-text0.10.0-1 ... 0.9.0-1 (26 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-text0.10.0-1 ... 0.9.0-1 (21 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-text0.22.0-1 ... 0.41.0-1 (10 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
golang-golang-x-text0.22.0-1 ... 0.36.0-1~bpo13+1 (8 versions)0.40.0-1—
Go(1)
PackageVulnerable rangeFixed inDependents
golang.org/x/text—0.39.0—

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 28× in last 7d / 113× 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 254 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-56852?
CVE-2026-56852 is a high vulnerability published on July 21, 2026. A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.
When was CVE-2026-56852 disclosed?
CVE-2026-56852 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56852 actively exploited?
CVE-2026-56852 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 59.8% of all scored CVEs.
What is the CVSS score of CVE-2026-56852?
CVE-2026-56852 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-56852?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56852, 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-2026-56852

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