Vulnerability-Lookup

CVE-2026-56207 (GCVE-0-2026-56207)

Vulnerability from cvelistv5 – Published: 2026-09-09 10:36 – Updated: 2026-09-10 17:58

Title

Apache Impala: SAML authentication bypass via forged bearer token

Summary

Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user. This issue affects Apache Impala: >=4.0.0. Users are recommended to upgrade to version 4.5.2, which fixes this issue.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 17:57 UTC

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

apache mitre root

References

2 references

URL	Tags
https://lists.apache.org/thread/20cov78py0zqzx7dy…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Impala	Affected: 4.0.0 , ≤ 4.5.1 (semver)	guessed

Credits

Andrew Rukin (Arenadata)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-56207

Vulnerability from fkie_nvd - Published: 2026-09-09 11:17 - Updated: 2026-09-10 20:38

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs	Mailing List, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/09/08/22	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	impala	*

JSON

To clipboard

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  ],
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GHSA-3MMV-F538-2FPW

Vulnerability from github – Published: 2026-09-09 12:32 – Updated: 2026-09-10 18:31

Details

Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user.

This issue affects Apache Impala: >=4.0.0.

Users are recommended to upgrade to version 4.5.2, which fixes this issue.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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  ],
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  "id": "GHSA-3mmv-f538-2fpw",
  "modified": "2026-09-10T18:31:39Z",
  "published": "2026-09-09T12:32:13Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-56207 (GCVE-0-2026-56207)

FKIE_CVE-2026-56207

GHSA-3MMV-F538-2FPW

Tags

Sightings

Nomenclature