CVE-2026-71556

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4% (27th percentile of EPSS-scored CVEs). 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, secondary
Trending — Patch released this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, worktree operations (including checkout, status, and add) resolve symbolic links inside the working tree without confining resolution to the worktree boundary, so a maliciously crafted repository containing a symlink can cause go-git to read from or write to files outside the intended working directory when the repository is cloned and its worktree operations are used. Versions 5.19.2 and 6.0.0-alpha.5.

CVSS v3
7.1
EG Score
7.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA SSVC

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
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
27th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 7, 2026

Last Modified

September 10, 2026

Advisory Details (5)

Auto-updated Aug 7, 2026
Patch available. Sources: github, github_commit, github_release.
github_release Patch Available

v6.0.0-alpha.5

Patch available: go-git/go-git v6.0.0-alpha.5 (pre-release)

https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.5
github_release Patch Available

v5.19.2

Patch available: go-git/go-git v5.19.2

https://github.com/go-git/go-git/releases/tag/v5.19.2
github_commit Patch Available

commit 661d1c7f101d (go-git/go-git)

Patch available: go-git/go-git v6.0.0-alpha.5 (contains commit 661d1c7f101d)

https://github.com/go-git/go-git/commit/661d1c7f101d34e002a3cfcf8dbea5b7421d07ac
github_commit Patch Available

commit 008a78f2dd86 (go-git/go-git)

Patch available: go-git/go-git v5.19.2 (contains commit 008a78f2dd86)

https://github.com/go-git/go-git/commit/008a78f2dd86f52544ddff8b8e8ddeecdf3f7aab
github Patch Available

Worktree operations may follow symlinks · Advisory · go-git/go-git · GitHub

https://github.com/go-git/go-git/security/advisories/GHSA-hc8v-wwc9-vgxm

Vendor Advisories for CVE-2026-71556(20)

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

Patch Availability(29)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatcluster-observability-operator/perses-rhel9-operator:17908546012026-10-01redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17905603782026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17905951332026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel8:17903927082026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17903941192026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17900933542026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17905981032026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17902224652026-09-29redhat
redhatcontainer-native-virtualization/cnv-must-gather-rhel9:17903939252026-09-29redhat
redhatrhtas/gitsign-rhel9:17896456122026-09-23redhat
redhatopenshift-builds/openshift-builds-webhook-rhel9:17899763002026-09-22redhat
redhatrhoai/odh-must-gather-rhel9:17895308852026-09-21redhat
redhatrhem/flightctl-worker-rhel9:17894880612026-09-16redhat
redhatrhem/flightctl-worker-rhel10:17894860712026-09-16redhat
redhatflightctl-0:1.2.1-1.el92026-09-16redhat
redhatflightctl-0:1.1.4-1.el9em2026-09-16redhat
redhatrhem/flightctl-worker-rhel9:17894868292026-09-16redhat
redhatrhem/flightctl-worker-rhel10:17894867402026-09-16redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889767472026-09-15redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889769802026-09-15redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889765242026-09-15redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889763302026-09-15redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889764032026-09-15redhat
redhatrhacm2/multicluster-operators-subscription-rhel9:17889772702026-09-15redhat
redhattrivy-main-0.74.0-0.2.hum12026-09-10redhat
redhatexternal-secrets-operator/external-secrets-rhel9:17889639292026-09-10redhat
redhatkube-state-metrics-main-2.20.0-0.2.hum12026-09-09redhat
redhatgrype-main-0.118.0-0.1.hum12026-08-28redhat
redhatsyft-main-1.51.1-0.1.hum12026-08-27redhat

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(2)
PackageVulnerable rangeFix by version rangeDependents
golang-github-go-git-go-git5.14.0-1, 5.16.2-1, 5.17.0-1, 5.17.1-1, 5.19.1-1
  • every version up to 5.19.2-1: fixed in 5.19.2-1
—
golang-github-go-git-go-git-v66.0.0~alpha.4-1 ... 6~git20260305.2083cf94-3 (7 versions)
  • every version up to 6.0.0~alpha.5-1: fixed in 6.0.0~alpha.5-1
—
Go(2)
PackageVulnerable rangeFix by version rangeDependents
github.com/go-git/go-git/v5—
  • every version up to 5.19.2: fixed in 5.19.2
—
github.com/go-git/go-git/v6—
  • every version up to 6.0.0-alpha.5: fixed in 6.0.0-alpha.5
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
golang-github-go-git-go-git5.11.0-1 ... 5.4.2-4 (14 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
golang-github-go-git-go-git5.14.0-1 ... 5.19.2-1 (6 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

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

Additional Vendor Advisories

(12)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 17× in last 7d / 88× 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 161 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-71556?
CVE-2026-71556 is a high vulnerability published on August 7, 2026. go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, worktree operations (including checkout, status, and add) resolve symbolic links inside the working tree without confining resolution to the worktree boundary, so a maliciously crafted…
When was CVE-2026-71556 disclosed?
CVE-2026-71556 was first published on August 7, 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-2026-71556 actively exploited?
CVE-2026-71556 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (27th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-71556?
CVE-2026-71556 has a CVSS base score of 7.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-71556?
A fix for CVE-2026-71556 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-71556 are linked in the Vendor Advisories panel on this page.

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