Skip to content
Fencer Vulns
medium 5.3

CVE-2023-26118 json

angular vulnerable to regular expression denial of service via the <input type="url"> element

published 2023-03-30 3 y ago modified 2026-09-10 1 mo ago also GHSA-qwqh-hm9m-p5hr , EUVD-2023-1086

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Versions of the package angular from 1.4.9 are vulnerable to Regular Expression Denial of Service (ReDoS) via the <input type="url"> element due to the usage of an insecure regular expression in the input[url] functionality. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking.

Patch / fix

  • angular.js Debian 12 1.8.3-1+deb12u1
  • angular.js Debian 13 1.8.3-2

debian advisories DEBIAN-CVE-2023-26118

  • angular.js Ubuntu 22.04 LTS 1.8.2-2ubuntu0.1
  • angular.js Ubuntu 24.04 LTS 1.8.3-1ubuntu0.24.04.1
  • angular.js Ubuntu Pro 18.04 LTS 1.5.10-1ubuntu0.1~esm1
  • angular.js Ubuntu Pro 20.04 LTS 1.7.9-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2023-26118

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-26118 updated cvss 5.3

angularjs: Regular Expression Denial of Service via the <input type="url"> element

  • Red Hat OpenShift Service Mesh 2.1 servicemesh-grafana
    affected: no fix planned “Will not fix”
  • Red Hat Ceph Storage 3 grafana
    affected: no fix planned “Out of support scope”
  • Red Hat Ceph Storage 4 rhceph/rhceph-4-dashboard-rhel8
    affected: no fix available
  • Red Hat Enterprise Linux 6 firefox
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 firefox, grafana, thunderbird, grafana-loki, grafana-mssql, grafana-mysql, +10 more Red Hat Enterprise Linux 9 grafana, grafana-selinux
    affected: no fix planned “Will not fix”
  • Red Hat Fuse 7 angularjs angularjs Red Hat JBoss Data Grid 7 angularjs angularjs Red Hat JBoss Enterprise Application Platform 6 keycloak-adapter-sso7_2-eap6 keycloak-adapter-sso7_2-eap6
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 16.1 qpid-dispatch-tools, qpid-dispatch-router Red Hat Single Sign-On 7 angularjs angularjs Red Hat Storage 3 grafana
    affected: no fix planned “Will not fix”
  • Red Hat Ansible Tower 3 angular, angularjs Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 firefox, mozjs60, thunderbird Red Hat Enterprise Linux 9 gjs, polkit, firefox, firefox-x11, polkit-libs, thunderbird Red Hat JBoss Enterprise Application Platform 7 angularjs angularjs Red Hat JBoss Enterprise Application Platform Expansion Pack angularjs angularjs
    +2 more products
    Red Hat OpenStack Platform 16.2 qpid-dispatch-tools, qpid-dispatch-router Red Hat Quay 3 quay/quay-rhel8
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • security.snyk.io https://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373046 referenced PoC, tagged "exploit" by a source, unverified
  • security.snyk.io https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406326 referenced PoC, tagged "exploit" by a source, unverified
  • security.snyk.io https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406327 referenced PoC, tagged "exploit" by a source, unverified
  • security.snyk.io https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406328 referenced PoC, tagged "exploit" by a source, unverified
  • stackblitz.com https://stackblitz.com/edit/angularjs-vulnerability-inpur-url-validation-redos referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
npm angular
<=1.8.3
 no fix listed

Affected products

  • n/a angular
  • n/a org.webjars.bower:angular
  • n/a org.webjars.npm:angular
  • n/a org.webjars.bowergithub.angular:angular

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.