CVE-2026-81934 (GCVE-0-2026-81934)
Vulnerability from cvelistv5 – Published: 2026-08-27 19:40 – Updated: 2026-08-31 19:17
VLAI
EPSS
VEX
Title
Redis TLS pending-data list use-after-free
Summary
Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-08-27 19:12 UTC
CWE
- CWE-416 - Use After Free
References
24 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Redis | Redis |
Unaffected:
8.2.9
Unaffected: 8.4.6 Unaffected: 8.6.6 Unaffected: 8.8.2 Unaffected: 8.10.1 Unaffected: 7.4.11 Unaffected: 6.2.24 Unaffected: 7.2.16 Affected: 0 , < 8.8.2 (custom) Affected: 0 , < 8.2.9 (custom) Affected: 0 , < 8.4.6 (custom) Affected: 0 , < 8.6.6 (custom) Affected: 0 , < 8.10.1 (custom) Affected: 0 , < 7.4.11 (custom) Affected: 0 , < 6.2.24 (custom) Affected: 0 , < 7.2.16 (custom) |
guessed | |
| Redis | Redis Software (Enterprise) |
Unaffected:
8.2.0-46
Unaffected: 8.0.20-96 Unaffected: 7.22.2-179 Unaffected: 7.8.6-303 Affected: 0 , < 8.2.0-46 (custom) Affected: 0 , < 8.0.20-96 (custom) Affected: 0 , < 7.22.2-179 (custom) Affected: 0 , < 7.8.6-303 (custom) |
guessed |
Date Public
2026-08-17 00:00
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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