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CVE Vulnerability Details :
CVE-2026-2869
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-21 Feb, 2026 | 14:32
Updated At-23 Feb, 2026 | 19:36
Rejected At-
▼CVE Numbering Authority (CNA)
janet-lang janet handleattr specials.c janetc_varset out-of-bounds

A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.

Affected Products
Vendor
janet-lang
Product
janet
Modules
  • handleattr Handler
Versions
Affected
  • 1.40.0
  • 1.40.1
Unaffected
  • 1.41.0
Problem Types
TypeCWE IDDescription
CWECWE-125Out-of-Bounds Read
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-125
Description: Out-of-Bounds Read
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.03.3LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 1.7
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-20 00:00:00
VulDB entry created2026-02-20 01:00:00
VulDB entry last update2026-02-20 15:39:05
Event: Advisory disclosed
Date: 2026-02-20 00:00:00
Event: VulDB entry created
Date: 2026-02-20 01:00:00
Event: VulDB entry last update
Date: 2026-02-20 15:39:05
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.347106
vdb-entry
technical-description
https://vuldb.com/?ctiid.347106
signature
permissions-required
https://vuldb.com/?submit.754589
third-party-advisory
https://github.com/janet-lang/janet/issues/1699
issue-tracking
https://github.com/oneafter/0123/blob/main/ja1/repro
exploit
https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5
patch
https://github.com/janet-lang/janet/releases/tag/v1.41.0
patch
https://github.com/janet-lang/janet/
product
Hyperlink: https://vuldb.com/?id.347106
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.347106
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.754589
Resource:
third-party-advisory
Hyperlink: https://github.com/janet-lang/janet/issues/1699
Resource:
issue-tracking
Hyperlink: https://github.com/oneafter/0123/blob/main/ja1/repro
Resource:
exploit
Hyperlink: https://github.com/janet-lang/janet/commit/2fabc80151a2b8834ee59cda8a70453f848b40e5
Resource:
patch
Hyperlink: https://github.com/janet-lang/janet/releases/tag/v1.41.0
Resource:
patch
Hyperlink: https://github.com/janet-lang/janet/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found