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CVE-2026-31839

Striae has a hash validation utility vulnerability

8.2 HighFix available

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.14%Up 0.1 points since Mar 12, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.2

Striae has a hash validation utility vulnerability

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Record
CVE-2026-31839
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-354
Updated
2026-11-02
EUVDEUVD-2026-11240 8.2

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Record
EUVD-2026-11240
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-mmf8-487q-p45m 8.2

Striae has a hash validation utility vulnerability

Summary

A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks.

Impact

Confirmation package integrity could be bypassed because both content and hash values were mutable in the same trust boundary. An attacker with access to an exported package could alter confirmation data and recompute hashes so hash-only checks still passed.

This affects users relying on digital confirmations as an immutability and forensic chain-of-custody control.

Patches

Patched in v3.0.0.

Upgrade to:

  • v3.0.0 or later

Security behavior added in v3.0.0:

  • Server-issued asymmetric signatures for forensic manifests
  • Canonical payload signature verification during import and manual hash verification
  • Fail-closed behavior when signature metadata is missing or invalid
  • Signature/key provenance support for audit-related workflows

Workarounds

There is no full cryptographic workaround equivalent to upgrading.

Temporary mitigations:

  • Treat hash-only validation as a tamper indicator, not proof of immutability
  • Restrict package exchange to trusted authenticated internal channels
  • Require out-of-band reviewer attestation for sensitive confirmation workflows
  • Pause imports from untrusted sources until upgraded
Record
GHSA-mmf8-487q-p45m
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-327, CWE-353, CWE-354
Updated
2026-11-02
NVD 8.2

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Record
CVE-2026-31839
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-354
Updated
2026-11-02
OSV 8.2

Striae has a hash validation utility vulnerability

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

Record
CVE-2026-31839
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-354
Updated
2026-11-05
OSVGHSA-mmf8-487q-p45m 8.2

Striae has a hash validation utility vulnerability

Summary

A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks.

Impact

Confirmation package integrity could be bypassed because both content and hash values were mutable in the same trust boundary. An attacker with access to an exported package could alter confirmation data and recompute hashes so hash-only checks still passed.

This affects users relying on digital confirmations as an immutability and forensic chain-of-custody control.

Patches

Patched in v3.0.0.

Upgrade to:

  • v3.0.0 or later

Security behavior added in v3.0.0:

  • Server-issued asymmetric signatures for forensic manifests
  • Canonical payload signature verification during import and manual hash verification
  • Fail-closed behavior when signature metadata is missing or invalid
  • Signature/key provenance support for audit-related workflows

Workarounds

There is no full cryptographic workaround equivalent to upgrading.

Temporary mitigations:

  • Treat hash-only validation as a tamper indicator, not proof of immutability
  • Restrict package exchange to trusted authenticated internal channels
  • Require out-of-band reviewer attestation for sensitive confirmation workflows
  • Pause imports from untrusted sources until upgraded
Record
GHSA-mmf8-487q-p45m
CVSS 3.1
8.2 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-327, CWE-353, CWE-354
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
@striae-org/striae
npm
 0.9.22-0 up to 3.0.0
3.0.0

History

History
RecordedChangedSources
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-31839 is a high vulnerability (CVSS 8.2) in Striae, published March 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in @striae-org/striae 3.0.0.

References

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