StackRadar

CVE-2026-86434

High

Advisory

Published 6 Aug 2026In the index since 21 Oct 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.005
43rd percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
30
of 18,232 indexed, latest versions
Container images
31
deployed by those charts
Fix available
1 of 1
affected package

league/commonmark: Denial of service via colliding heading slugs

Carried by container images the latest versions of 30 of 18,232 indexed charts deploy, on 31 images.

Affected packageAffected versionsFixed inImages
league/commonmarkcomposer2.2.1, 2.3.0, 2.3.3, 2.3.4+9 more2.9.031
OSV records
GHSA-mh25-x5hq-wrqp

Charts affected

30 by stars
ChartLatestAffected imagesRadar Score
snipeitt3n3.4.11 of 2See more

snipeit t3n 3.4.1

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
snipe/snipe-it:v6.0.1455fb7636a98c
league/commonmark@2.3.4
2.9.0

Open the chart page →

86,542
monicamonicaOfficialVerified publisher1.0.151 of 1See more

monica monica 1.0.15

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
ghcr.io/monicahq/monica-next:main8a02508cbdcf
league/commonmark@2.7.1
2.9.0

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3,214
bookstackgabe565Verified publisher0.20.01 of 1See more

bookstack gabe565 0.20.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
ghcr.io/linuxserver/bookstack:version-v24.12.1cc795b254b73
league/commonmark@2.6.1
2.9.0

Open the chart page →

3,636
invoiceninjainvoiceninjaVerified publisher0.10.21 of 5See more

invoiceninja invoiceninja 0.10.2

1 of the 5 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
invoiceninja/invoiceninja:5.6.241437916dee01
league/commonmark@2.4.0
2.9.0

Open the chart page →

2,792
bookstackbookstack-mgVerified publisher0.3.11 of 2See more

bookstack bookstack-mg 0.3.1

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
linuxserver/bookstack:26.05.202605282ebf97852661
league/commonmark@2.8.2
2.9.0

Open the chart page →

2,390
akauntingf3k-techVerified publisher1.3121.01 of 4See more

akaunting f3k-tech 1.3121.0

1 of the 4 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
akaunting/akaunting:3.1.21-fpm-alpine-nginxe7d5c245b1a0
league/commonmark@2.8.0
2.9.0

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5,092
firefly-iiigeek-cookbookVerified publisher0.3.01 of 1See more

firefly-iii geek-cookbook 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
fireflyiii/core:version-5.6.142f4283bd0cf7
league/commonmark@2.2.1
2.9.0

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3,037
monicageek-cookbookVerified publisher8.2.01 of 1See more

monica geek-cookbook 8.2.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
library/monica:3.7.0-apacheceb1ba4196ab
league/commonmark@2.2.1
2.9.0

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2,940
leantimegissilabs1.3.01 of 2See more

leantime gissilabs 1.3.0

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
leantime/leantime:3.3.3ad4bfb0699d3
league/commonmark@2.5.3
2.9.0

Open the chart page →

7,736
castopodh2mVerified publisher1.12.101 of 3See more

castopod h2m 1.12.10

1 of the 3 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
castopod/castopod:1.12.101fd37280cbb2
league/commonmark@2.5.3
2.9.0

Open the chart page →

75,861
linkstackadnoctemVerified publisher0.4.01 of 1See more

linkstack adnoctem 0.4.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
linkstackorg/linkstack:latest1c8b05399ee4
league/commonmark@2.8.0
2.9.0

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2,811
cspconsolecspconsole1.3.111 of 5See more

cspconsole cspconsole 1.3.11

1 of the 5 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
cspconsole/csp-control-center:1.0.1046dda4a31bd6
league/commonmark@2.8.2
2.9.0

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57,844
webtreesdjjudas21Verified publisher3.0.11 of 1See more

webtrees djjudas21 3.0.1

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
ghcr.io/nathanvaughn/webtrees:2.2.627597e9f4664
league/commonmark@2.8.2
2.9.0

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3,906
heimdallegebackVerified publisher2.0.41 of 1See more

heimdall egeback 2.0.4

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
linuxserver/heimdall:2.6.371597f4461e4
league/commonmark@2.4.2
2.9.0

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1,758
supportpalevilgn0me0.1.61 of 1See more

supportpal evilgn0me 0.1.6

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
public.ecr.aws/supportpal/helpdesk-monolithic:4.0.4573779e57fae
league/commonmark@2.3.0
2.9.0

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23,162
firefly-iii-stackfirefly-iii0.10.22 of 4See more

firefly-iii-stack firefly-iii 0.10.2

2 of the 4 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
fireflyiii/core:version-6.5.9fe4ecec4c2ba
league/commonmark@2.8.2
2.9.0
fireflyiii/data-importer:version-2.2.3ab52bf932546
league/commonmark@2.8.2
2.9.0

Open the chart page →

11,737
importerfirefly-iii1.6.01 of 1See more

importer firefly-iii 1.6.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
fireflyiii/data-importer:version-2.2.3ab52bf932546
league/commonmark@2.8.2
2.9.0

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5,553
linkstackfmjstudios0.2.21 of 1See more

linkstack fmjstudios 0.2.2

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
linkstackorg/linkstack:latestabd691b4293b
league/commonmark@2.4.0
2.9.0

Open the chart page →

2,773
monicagabe565Verified publisher0.10.01 of 2See more

monica gabe565 0.10.0

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
library/monica:4.1.2-fpm-alpine1104023d0636
league/commonmark@2.4.2
2.9.0

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714
anonaddygeek-cookbookVerified publisher6.0.01 of 1See more

anonaddy geek-cookbook 6.0.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
anonaddy/anonaddy:0.12.3957a95565166
league/commonmark@2.3.3
2.9.0

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5,768
castopodhelmforgeVerified publisher1.2.131 of 3See more

castopod helmforge 1.2.13

1 of the 3 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
castopod/castopod:1.15.54e4f0440520f
league/commonmark@2.8.0
2.9.0

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10,865
heimdallhelmforgeVerified publisher1.1.151 of 1See more

heimdall helmforge 1.1.15

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
linuxserver/heimdall:2.8.38e27750132a4
league/commonmark@2.8.2
2.9.0

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333
fireflyhomeenterpriseinc2.7.02 of 2See more

firefly homeenterpriseinc 2.7.0

2 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
fireflyiii/core:version-5.7.12c0300cfd3d76
league/commonmark@2.3.5
2.9.0
fireflyiii/data-importer:version-0.9.1665500ce0fe66
league/commonmark@2.3.5
2.9.0

Open the chart page →

3,917
firefly-iiikubernetes-homelab-helm-chartsVerified publisher0.2.01 of 3See more

firefly-iii kubernetes-homelab-helm-charts 0.2.0

1 of the 3 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
fireflyiii/core:version-6.6.6ae69fdd95cde
league/commonmark@2.8.2
2.9.0

Open the chart page →

5,429
akauntingnas-helm-chartsVerified publisher1.0.31 of 2See more

akaunting nas-helm-charts 1.0.3

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
akaunting/akaunting:3.0.1552811b36ec3a
league/commonmark@2.4.0
2.9.0

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94,983
librenmsnimbolus0.5.11 of 3See more

librenms nimbolus 0.5.1

1 of the 3 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
librenms/librenms:24.11.00920bc9117a8
league/commonmark@2.5.3
2.9.0

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2,928
firefly-iiiphntom0.2.101 of 2See more

firefly-iii phntom 0.2.10

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
phntom/fireflyiii:version-5.7.5f881ea5fbbf1
league/commonmark@2.3.0
2.9.0

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2,629
snipeitschmitzis6.1.01 of 2See more

snipeit schmitzis 6.1.0

1 of the 2 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
snipe/snipe-it:v8.3.1141ebf2386fe
league/commonmark@2.7.1
2.9.0

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69,292
apiwbstack0.36.01 of 1See more

api wbstack 0.36.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
ghcr.io/wbstack/api:8x.9.11eee94f9f7a53
league/commonmark@2.3.3
2.9.0

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2,939
xboardxboard0.2.01 of 1See more

xboard xboard 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-86434.

Container imageDigestPackageFixed in
ghcr.io/cedar2025/xboard:latest2633d6085768
league/commonmark@2.8.1
2.9.0

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712

Container images carrying it

31 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
fireflyiii/data-importer:version-2.2.3ab52bf932546
league/commonmark@2.8.2
2.9.0
2
akaunting/akaunting:3.0.1552811b36ec3a
league/commonmark@2.4.0
2.9.0
1
akaunting/akaunting:3.1.21-fpm-alpine-nginxe7d5c245b1a0
league/commonmark@2.8.0
2.9.0
1
anonaddy/anonaddy:0.12.3957a95565166
league/commonmark@2.3.3
2.9.0
1
castopod/castopod:1.12.101fd37280cbb2
league/commonmark@2.5.3
2.9.0
1
castopod/castopod:1.15.54e4f0440520f
league/commonmark@2.8.0
2.9.0
1
cspconsole/csp-control-center:1.0.1046dda4a31bd6
league/commonmark@2.8.2
2.9.0
1
fireflyiii/core:version-5.6.142f4283bd0cf7
league/commonmark@2.2.1
2.9.0
1
fireflyiii/core:version-6.6.6ae69fdd95cde
league/commonmark@2.8.2
2.9.0
1
fireflyiii/core:version-5.7.12c0300cfd3d76
league/commonmark@2.3.5
2.9.0
1
fireflyiii/core:version-6.5.9fe4ecec4c2ba
league/commonmark@2.8.2
2.9.0
1
fireflyiii/data-importer:version-0.9.1665500ce0fe66
league/commonmark@2.3.5
2.9.0
1
invoiceninja/invoiceninja:5.6.241437916dee01
league/commonmark@2.4.0
2.9.0
1
leantime/leantime:3.3.3ad4bfb0699d3
league/commonmark@2.5.3
2.9.0
1
library/monica:4.1.2-fpm-alpine1104023d0636
league/commonmark@2.4.2
2.9.0
1
library/monica:3.7.0-apacheceb1ba4196ab
league/commonmark@2.2.1
2.9.0
1
librenms/librenms:24.11.00920bc9117a8
league/commonmark@2.5.3
2.9.0
1
linkstackorg/linkstack:latest1c8b05399ee4
league/commonmark@2.8.0
2.9.0
1
linkstackorg/linkstack:latestabd691b4293b
league/commonmark@2.4.0
2.9.0
1
linuxserver/bookstack:26.05.202605282ebf97852661
league/commonmark@2.8.2
2.9.0
1
linuxserver/heimdall:2.6.371597f4461e4
league/commonmark@2.4.2
2.9.0
1
linuxserver/heimdall:2.8.38e27750132a4
league/commonmark@2.8.2
2.9.0
1
phntom/fireflyiii:version-5.7.5f881ea5fbbf1
league/commonmark@2.3.0
2.9.0
1
snipe/snipe-it:v8.3.1141ebf2386fe
league/commonmark@2.7.1
2.9.0
1
snipe/snipe-it:v6.0.1455fb7636a98c
league/commonmark@2.3.4
2.9.0
1
ghcr.io/cedar2025/xboard:latest2633d6085768
league/commonmark@2.8.1
2.9.0
1
ghcr.io/linuxserver/bookstack:version-v24.12.1cc795b254b73
league/commonmark@2.6.1
2.9.0
1
ghcr.io/monicahq/monica-next:main8a02508cbdcf
league/commonmark@2.7.1
2.9.0
1
ghcr.io/nathanvaughn/webtrees:2.2.627597e9f4664
league/commonmark@2.8.2
2.9.0
1
ghcr.io/wbstack/api:8x.9.11eee94f9f7a53
league/commonmark@2.3.3
2.9.0
1
public.ecr.aws/supportpal/helpdesk-monolithic:4.0.4573779e57fae
league/commonmark@2.3.0
2.9.0
1

syft 1.42.1 · advisories as of 23 Oct 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.