CVE-2015-8748
Radicale regex metacharacters injection in the user name
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
CVE-2015-8748- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
CVE-2015-8748- Updated
- 2026-11-02
EUVDEUVD-2016-0030 No score
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
EUVD-2016-0030- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6w8c-6jrg-qwj2
Radicale regex metacharacters injection in the user name
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by .*.
- Record
GHSA-6w8c-6jrg-qwj2- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
OSV
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
CVE-2015-8748- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-8748
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
DEBIAN-CVE-2015-8748- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-6w8c-6jrg-qwj2
Radicale regex metacharacters injection in the user name
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by .*.
- Record
GHSA-6w8c-6jrg-qwj2- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-8748
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
UBUNTU-CVE-2015-8748- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVMGASA-2016-0057 No score
Updated radicale packages fix CVE-2015-8748
Updated radicale package fixes security vulnerabilities:
If an attacker is able to authenticate with a user name like .*', he can bypass read/write limitations imposed by regex-based rules, including the built-in rules owner_write' (read for everybody, write for the calendar
owner) and `owner_only' (read and write for the calendar owner)
(CVE-2015-8748).
The radicale package has been updated to version 1.1.1, fixing this issue and several other security issues.
- Record
MGASA-2016-0057- Updated
- 2026-11-02
OSVPYSEC-2016-37 No score
Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".
- Record
PYSEC-2016-37- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
radicalePyPI |
before 1.1 | 1.1 |
radicaleDebian:12 |
before 1.1.1-1 | 1.1.1-1 |
radicaleDebian:13 |
before 1.1.1-1 | 1.1.1-1 |
radicaleDebian:14 |
before 1.1.1-1 | 1.1.1-1 |
radicaleDebian:6.0 |
before 0.3-2+deb6u1, plus listed versions 0.3-2 |
0.3-2+deb6u1 |
radicaleDebian:7 |
before 0.7-1.1+deb7u1, plus listed versions 0.7-1.1 |
0.7-1.1+deb7u1 |
radicaleDebian:8 |
before 0.9-1+deb8u1, plus listed versions 0.9-1 |
0.9-1+deb8u1 |
radicalePyPI |
before 1.1, plus listed versions 0.100.20.30.40.5 Show 13 moreShow less0.60.6.10.6.20.6.30.6.40.70.7.10.80.90.9b10.9b21.01.0.1 |
1.1 |
radicaleMageia:5 |
before 1.1.1-1.1.mga5 | 1.1.1-1.1.mga5 |
radicalePyPI |
before 1.1, plus listed versions 0.100.20.30.40.5 Show 14 moreShow less0.60.6.10.6.20.6.30.6.40.70.7.10.80.90.9b10.9b21.01.0.10.1 |
1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8748 is a medium vulnerability (CVSS 5.3) in Radicale, published January 26, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.24%, the 82nd percentile. Fixed in radicale 1.1.
References
securityfocus.com/bid/80255
openwall.com/lists/oss-security/2016/01/05/7
github.com/Kozea/Radicale/pull/341
debian.org/security/2016/dsa-3462
lists.fedoraproject.org/pipermail/package-announce/2016-January/175776.html
Show 15 moreShow less
nvd.nist.gov/vuln/detail/CVE-2015-8748
web.archive.org/web/20200804235922/http://www.securityfocus.com/bid/80255
pypi.org/project/radicale
security-tracker.debian.org/tracker/CVE-2015-8748
advisories.mageia.org/MGASA-2016-0057.html
bugs.mageia.org/show_bug.cgi?id=17452
radicale.org/news
ubuntu.com/security/CVE-2015-8748
cve.org/CVERecord?id=CVE-2015-8748