Valkey Affected by RESP Protocol Injection via Lua error_reply
Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampered data to other users on the same connection. The error handling code for lua scripts does not properly handle null characters. Versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12 fix the issue.
Noroxi analysis
No Noroxi analysis for this record yet
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We use this product, ask for help- Published
- Feb 23, 2026
- Updated
- Jul 15, 2026
- EPSS
- 0.6% · 46th percentile
- CWE
- CWE-74
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.1
- CNA · GitHub_M
- 8.5
- 1.4 point gap
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| lfprojects | valkey | cpe:2.3:a:lfprojects:valkey |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- lfprojects valkeybefore 7.2.12
- lfprojects valkey8.0.0 and later · before 8.0.7
- lfprojects valkey8.1.0 and later · before 8.1.6
- lfprojects valkey9.0.0 and later · before 9.0.2
Versions reported by the vendor
Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.
valkey-io valkey
- < 7.2.12, >= 8.0.0, < 8.0.7, >= 8.1.0, < 8.1.6, >= 9.0.0, < 9.0.2affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:10 | valkey | before 8.0.7-1.el10_1 | 8.0.7-1.el10_1 |
| AlmaLinux:10 | valkey-devel | before 8.0.7-1.el10_1 | 8.0.7-1.el10_1 |
| AlmaLinux:9 | valkey | before 8.0.7-1.el9_7 | 8.0.7-1.el9_7 |
| AlmaLinux:9 | valkey-devel | before 8.0.7-1.el9_7 | 8.0.7-1.el9_7 |
| Alpine:v3.21 | valkey | from 8.0.0 · before 7.2.12-r0 | 7.2.12-r0 |
| Alpine:v3.22 | valkey | from 8.0.0 · before 8.1.6-r0 | 8.1.6-r0 |
| Alpine:v3.23 | valkey | from 8.0.0 · before 9.0.3-r0 | 9.0.3-r0 |
| Debian:12 | redis | before 5:7.0.15-1~deb12u7 | 5:7.0.15-1~deb12u7 |
| Debian:13 | redis | before 5:8.0.2-3+deb13u2 | 5:8.0.2-3+deb13u2 |
| Debian:13 | valkey | before 8.1.1+dfsg1-3+deb13u2 | 8.1.1+dfsg1-3+deb13u2 |
| Debian:14 | redict | before 7.3.6+ds-2 | 7.3.6+ds-2 |
| Debian:14 | redis | before 5:8.0.6-1 | 5:8.0.6-1 |
| Debian:14 | valkey | before 8.1.4+dfsg1-2 | 8.1.4+dfsg1-2 |
| openSUSE:Leap 15.6 | valkey | before 8.0.7-150600.13.20.1 | 8.0.7-150600.13.20.1 |
| openSUSE:Tumbleweed | valkey | before 9.0.3-1.1 | 9.0.3-1.1 |
| Red Hat:enterprise_linux_eus:10.0 | valkey | before 0:8.0.7-1.el10_0 | 0:8.0.7-1.el10_0 |
| Red Hat:enterprise_linux_eus:10.0 | valkey-debuginfo | before 0:8.0.7-1.el10_0 | 0:8.0.7-1.el10_0 |
| Red Hat:enterprise_linux_eus:10.0 | valkey-debugsource | before 0:8.0.7-1.el10_0 | 0:8.0.7-1.el10_0 |
| Red Hat:enterprise_linux_eus:10.0 | valkey-devel | before 0:8.0.7-1.el10_0 | 0:8.0.7-1.el10_0 |
| Red Hat:enterprise_linux:10.1 | valkey | before 0:8.0.7-1.el10_1 | 0:8.0.7-1.el10_1 |
| Red Hat:enterprise_linux:10.1 | valkey-debuginfo | before 0:8.0.7-1.el10_1 | 0:8.0.7-1.el10_1 |
| Red Hat:enterprise_linux:10.1 | valkey-debugsource | before 0:8.0.7-1.el10_1 | 0:8.0.7-1.el10_1 |
| Red Hat:enterprise_linux:10.1 | valkey-devel | before 0:8.0.7-1.el10_1 | 0:8.0.7-1.el10_1 |
| Red Hat:enterprise_linux:9::appstream | valkey | before 0:8.0.7-1.el9_7 | 0:8.0.7-1.el9_7 |
+6
Same product
lfprojects: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-27623Valkey has Pre-Authentication DOS from malformed RESP request30Monitor
- CVE-2026-21863Malformed Valkey Cluster bus message can lead to Remote DoS30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| almalinux:valkey | 8.0.7-1.el10_1 · AlmaLinux:10 | Package registry (OSV) |
| almalinux:valkey-devel | 8.0.7-1.el10_1 · AlmaLinux:10 | Package registry (OSV) |
| alpine:valkey | 7.2.12-r0 · Alpine:v3.21 | Package registry (OSV) |
| debian:redict | 7.3.6+ds-2 · Debian:14 | Package registry (OSV) |
| debian:redis | 5:7.0.15-1~deb12u7 · Debian:12 | Package registry (OSV) |
| debian:valkey | 8.1.1+dfsg1-3+deb13u2 · Debian:13 | Package registry (OSV) |
| opensuse:valkey | 8.0.7-150600.13.20.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| red hat:valkey | 0:8.0.7-1.el10_1 · Red Hat:enterprise_linux:10.1 | Package registry (OSV) |
| red hat:valkey-debuginfo | 0:8.0.7-1.el10_1 · Red Hat:enterprise_linux:10.1 | Package registry (OSV) |
| red hat:valkey-debugsource | 0:8.0.7-1.el10_1 · Red Hat:enterprise_linux:10.1 | Package registry (OSV) |
| red hat:valkey-devel | 0:8.0.7-1.el10_1 · Red Hat:enterprise_linux:10.1 | Package registry (OSV) |
| rocky linux:valkey | 0:8.0.7-1.el10_1 · Rocky Linux:10 | Package registry (OSV) |
| suse:valkey | 8.0.7-150700.3.14.1 · SUSE:Linux Enterprise Module for Server Applications 15 SP7 | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Proof-of-concept repository on GitHub ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:1 | 2026-02-23 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-1 d
- Published
- TodaySep 30, 2026+219 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- low · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- Low
- Availability impact
- High
Weakness class (CWE)
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- HTTP Request SplittingCAPEC-105likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
- Format String InjectionCAPEC-135likelihood: High · High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m
- access.redhat.com/errata/RHSA-2026:3443
- access.redhat.com/errata/RHSA-2026:3507
- access.redhat.com/errata/RHSA-2026:5445
- access.redhat.com/security/cve/CVE-2025-67733
- bugzilla.redhat.com/show_bug.cgi?id=2442025
- security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-67733.json
Vendor advisories and official records. Exploit/PoC links are deliberately left out.